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Does somebody have an idea on this?</div>
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Thank you.</div>
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Br,</div>
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Dragan</div>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> syslog-ng <syslog-ng-bounces@lists.balabit.hu> on behalf of Dragan Zecevic <dragan.zecevic@live.com><br>
<b>Sent:</b> Tuesday, February 14, 2023 2:33 PM<br>
<b>To:</b> syslog-ng@lists.balabit.hu <syslog-ng@lists.balabit.hu><br>
<b>Subject:</b> [syslog-ng] syslog-ng reset connection before data transfer</font>
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<div class="x_elementToProof x_ContentPasted0" style="font-family:Calibri,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0); background-color:rgb(255,255,255)">
<div class="x_ContentPasted0 x_elementToProof">Hi everybody,</div>
<div class="x_ContentPasted0 x_elementToProof">I hope you are well.</div>
<div class="x_ContentPasted0 x_elementToProof"><br>
</div>
<div class="x_ContentPasted0 x_elementToProof">I was hoping if you can help me with some issue.</div>
<div class="x_ContentPasted0">I am trying to collect logs from some servers via syslog.</div>
<div class="x_ContentPasted0">TLS session seems to be established - handshake, certs, ciphers all looking ok.</div>
<div class="x_ContentPasted0">But when data need to be send it seems syslog-ng server disconnects the session from some reason.</div>
<div><br class="x_ContentPasted0">
</div>
<div class="x_ContentPasted0">In /var/log/messages I can only see start/stop messages even after turning on verbose logging:</div>
<div><br class="x_ContentPasted0">
</div>
<div class="x_ContentPasted0">Feb 10 16:11:48 xxx syslog-ng[21262]: Syslog connection accepted; fd='175', client='AF_INET(x.y.w.z:34986)', local='AF_INET(0.0.0.0:xxx)'</div>
<div class="x_ContentPasted0">Feb 10 16:11:49 xxx syslog-ng[21262]: Syslog connection closed; fd='175', client='AF_INET(x.y.w.z:34986)', local='AF_INET(0.0.0.0:xxx)'</div>
<div><br class="x_ContentPasted0">
</div>
<div class="x_ContentPasted0">This is the configuration I am using:</div>
<div><br class="x_ContentPasted0">
</div>
<div class="x_ContentPasted0">source s_xxx {</div>
<div class="x_ContentPasted0"> syslog(</div>
<div class="x_ContentPasted0"> ip(0.0.0.0)</div>
<div class="x_ContentPasted0"> port(xxx)</div>
<div class="x_ContentPasted0"> transport("tls")</div>
<div class="x_ContentPasted0"> tls(</div>
<div class="x_ContentPasted0"> key-file("/etc/syslog-ng/key.d/xxx.key")</div>
<div class="x_ContentPasted0"> cert-file("/etc/syslog-ng/cert.d/xxx.cer")</div>
<div class="x_ContentPasted0"> ca-dir("/etc/syslog-ng/ca.d")</div>
<div class="x_ContentPasted0"> peer-verify(required-trusted)</div>
<div class="x_ContentPasted0"> cipher-suite("xxx...xxx")</div>
<div class="x_ContentPasted0"> )</div>
<div class="x_ContentPasted0"> flags(store-raw-message)</div>
<div class="x_ContentPasted0"> );</div>
<div class="x_ContentPasted0">};</div>
<div><br class="x_ContentPasted0">
</div>
<div class="x_ContentPasted0">filter filter_xxx {</div>
<div><br class="x_ContentPasted0">
</div>
<div class="x_ContentPasted0"> host("xxx") ... or host("xxx");</div>
<div class="x_ContentPasted0">};</div>
<div><br class="x_ContentPasted0">
</div>
<div class="x_ContentPasted0">destination folder_xxx {</div>
<div><br class="x_ContentPasted0">
</div>
<div class="x_ContentPasted0"> file(</div>
<div class="x_ContentPasted0"> "/var/log/xxx/${R_YEAR}${R_MONTH}${R_DAY}/${SOURCEIP}_${HOST}_${R_HOUR}.log"</div>
<div class="x_ContentPasted0"> template("${RAWMSG}\n")</div>
<div class="x_ContentPasted0"> dir-group(xxx)</div>
<div class="x_ContentPasted0"> dir-perm(0650)</div>
<div class="x_ContentPasted0"> group(xxx)</div>
<div class="x_ContentPasted0"> );</div>
<div class="x_ContentPasted0">};</div>
<div><br class="x_ContentPasted0">
</div>
<div class="x_ContentPasted0">log {</div>
<div class="x_ContentPasted0"> source(s_xxx); filter(filter_xxx); destination(folder_xxx); flags(flow-control);</div>
<div class="x_ContentPasted0">};</div>
<div><br class="x_ContentPasted0">
</div>
<div><br class="x_ContentPasted0">
</div>
<div class="x_ContentPasted0">And bellow is last part of the session captured with tcpdump from source side.</div>
<div class="x_ContentPasted0 x_elementToProof">It is interesting to me that there is 1h offset comparing to /var/log/messages on syslog-ng. Src and dst server are in same environment.</div>
<div><br class="x_ContentPasted0">
</div>
<div><br class="x_ContentPasted0">
</div>
<div class="x_ContentPasted0">24 2023-02-10 15:11:49,073335 x.y.w.z x.y.w.z TLSv1.2 445 Application Data</div>
<div class="x_ContentPasted0">Frame 24: 445 bytes on wire (3560 bits), 445 bytes captured (3560 bits)</div>
<div class="x_ContentPasted0"> Encapsulation type: Ethernet (1)</div>
<div class="x_ContentPasted0"> Arrival Time: Feb 10, 2023 15:11:49.073335000 Central Europe Standard Time</div>
<div class="x_ContentPasted0"> [Time shift for this packet: 0.000000000 seconds]</div>
<div class="x_ContentPasted0"> Epoch Time: 1676038309.073335000 seconds</div>
<div class="x_ContentPasted0"> [Time delta from previous captured frame: 0.906559000 seconds]</div>
<div class="x_ContentPasted0"> [Time delta from previous displayed frame: 0.906559000 seconds]</div>
<div class="x_ContentPasted0"> [Time since reference or first frame: 6.775677000 seconds]</div>
<div class="x_ContentPasted0"> Frame Number: 24</div>
<div class="x_ContentPasted0"> Frame Length: 445 bytes (3560 bits)</div>
<div class="x_ContentPasted0"> Capture Length: 445 bytes (3560 bits)</div>
<div class="x_ContentPasted0"> [Frame is marked: False]</div>
<div class="x_ContentPasted0"> [Frame is ignored: False]</div>
<div class="x_ContentPasted0"> [Protocols in frame: eth:ethertype:ip:tcp:tls]</div>
<div class="x_ContentPasted0"> [Coloring Rule Name: TCP]</div>
<div class="x_ContentPasted0"> [Coloring Rule String: tcp]</div>
<div class="x_ContentPasted0">Ethernet II, Src: xxx, Dst: xxx</div>
<div class="x_ContentPasted0"> Destination: xxx</div>
<div class="x_ContentPasted0"> Address: xxx</div>
<div class="x_ContentPasted0"> .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default)</div>
<div class="x_ContentPasted0"> .... ...0 .... .... .... .... = IG bit: Individual address (unicast)</div>
<div class="x_ContentPasted0"> Source: xxx</div>
<div class="x_ContentPasted0"> Address: xxx</div>
<div class="x_ContentPasted0"> .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default)</div>
<div class="x_ContentPasted0"> .... ...0 .... .... .... .... = IG bit: Individual address (unicast)</div>
<div class="x_ContentPasted0"> Type: IPv4 (0x0800)</div>
<div class="x_ContentPasted0">Internet Protocol Version 4, Src: x.y.z.w, Dst: x.y.z.w</div>
<div class="x_ContentPasted0"> 0100 .... = Version: 4</div>
<div class="x_ContentPasted0"> .... 0101 = Header Length: 20 bytes (5)</div>
<div class="x_ContentPasted0"> Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT)</div>
<div class="x_ContentPasted0"> 0000 00.. = Differentiated Services Codepoint: Default (0)</div>
<div class="x_ContentPasted0"> .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0)</div>
<div class="x_ContentPasted0"> Total Length: 431</div>
<div class="x_ContentPasted0"> Identification: 0xeebc (61116)</div>
<div class="x_ContentPasted0"> 010. .... = Flags: 0x2, Don't fragment</div>
<div class="x_ContentPasted0"> 0... .... = Reserved bit: Not set</div>
<div class="x_ContentPasted0"> .1.. .... = Don't fragment: Set</div>
<div class="x_ContentPasted0"> ..0. .... = More fragments: Not set</div>
<div class="x_ContentPasted0"> ...0 0000 0000 0000 = Fragment Offset: 0</div>
<div class="x_ContentPasted0"> Time to Live: 64</div>
<div class="x_ContentPasted0"> Protocol: TCP (6)</div>
<div class="x_ContentPasted0"> Header Checksum: 0x0a89 [validation disabled]</div>
<div class="x_ContentPasted0"> [Header checksum status: Unverified]</div>
<div class="x_ContentPasted0"> Source Address: x.y.z.w</div>
<div class="x_ContentPasted0"> Destination Address: x.y.z.w</div>
<div class="x_ContentPasted0">Transmission Control Protocol, Src Port: 34986, Dst Port: xxx, Seq: 2380, Ack: 5750, Len: 391</div>
<div class="x_ContentPasted0"> Source Port: 34986</div>
<div class="x_ContentPasted0"> Destination Port: xxx</div>
<div class="x_ContentPasted0"> [Stream index: 1]</div>
<div class="x_ContentPasted0"> [Conversation completeness: Complete, WITH_DATA (63)]</div>
<div class="x_ContentPasted0"> [TCP Segment Len: 391]</div>
<div class="x_ContentPasted0"> Sequence Number: 2380 (relative sequence number)</div>
<div class="x_ContentPasted0"> Sequence Number (raw): 2630184540</div>
<div class="x_ContentPasted0"> [Next Sequence Number: 2771 (relative sequence number)]</div>
<div class="x_ContentPasted0"> Acknowledgment Number: 5750 (relative ack number)</div>
<div class="x_ContentPasted0"> Acknowledgment number (raw): 2509794849</div>
<div class="x_ContentPasted0"> 0101 .... = Header Length: 20 bytes (5)</div>
<div class="x_ContentPasted0"> Flags: 0x018 (PSH, ACK)</div>
<div class="x_ContentPasted0"> 000. .... .... = Reserved: Not set</div>
<div class="x_ContentPasted0"> ...0 .... .... = Accurate ECN: Not set</div>
<div class="x_ContentPasted0"> .... 0... .... = Congestion Window Reduced: Not set</div>
<div class="x_ContentPasted0"> .... .0.. .... = ECN-Echo: Not set</div>
<div class="x_ContentPasted0"> .... ..0. .... = Urgent: Not set</div>
<div class="x_ContentPasted0"> .... ...1 .... = Acknowledgment: Set</div>
<div class="x_ContentPasted0"> .... .... 1... = Push: Set</div>
<div class="x_ContentPasted0"> .... .... .0.. = Reset: Not set</div>
<div class="x_ContentPasted0"> .... .... ..0. = Syn: Not set</div>
<div class="x_ContentPasted0"> .... .... ...0 = Fin: Not set</div>
<div class="x_ContentPasted0"> [TCP Flags: ·······AP···]</div>
<div class="x_ContentPasted0"> Window: 318</div>
<div class="x_ContentPasted0"> [Calculated window size: 40704]</div>
<div class="x_ContentPasted0"> [Window size scaling factor: 128]</div>
<div class="x_ContentPasted0"> Checksum: 0x41a5 [unverified]</div>
<div class="x_ContentPasted0"> [Checksum Status: Unverified]</div>
<div class="x_ContentPasted0"> Urgent Pointer: 0</div>
<div class="x_ContentPasted0"> [Timestamps]</div>
<div class="x_ContentPasted0"> [Time since first frame in this TCP stream: 1.007330000 seconds]</div>
<div class="x_ContentPasted0"> [Time since previous frame in this TCP stream: 0.906559000 seconds]</div>
<div class="x_ContentPasted0"> [SEQ/ACK analysis]</div>
<div class="x_ContentPasted0"> [iRTT: 0.003010000 seconds]</div>
<div class="x_ContentPasted0"> [Bytes in flight: 391]</div>
<div class="x_ContentPasted0"> [Bytes sent since last PSH flag: 391]</div>
<div class="x_ContentPasted0"> TCP payload (391 bytes)</div>
<div class="x_ContentPasted0">Transport Layer Security</div>
<div class="x_ContentPasted0"> TLSv1.2 Record Layer: Application Data Protocol: Application Data</div>
<div class="x_ContentPasted0"> Content Type: Application Data (23)</div>
<div class="x_ContentPasted0"> Version: TLS 1.2 (0x0303)</div>
<div class="x_ContentPasted0"> Length: 386</div>
<div class="x_ContentPasted0"> Encrypted Application Data: 000000000000000146f17ff0e884c81f9317ba9e01c3b48763944e3905fb27fc96ce76fc…</div>
<div><br class="x_ContentPasted0">
</div>
<div><br class="x_ContentPasted0">
</div>
<div class="x_ContentPasted0">25 2023-02-10 15:11:49,076214 x.y.z.w x.y.z.w TCP 60 xxx → 34986 [FIN, ACK] Seq=5750 Ack=2771 Win=65536 Len=0</div>
<div class="x_ContentPasted0">Frame 25: 60 bytes on wire (480 bits), 60 bytes captured (480 bits)</div>
<div class="x_ContentPasted0"> Encapsulation type: Ethernet (1)</div>
<div class="x_ContentPasted0"> Arrival Time: Feb 10, 2023 15:11:49.076214000 Central Europe Standard Time</div>
<div class="x_ContentPasted0"> [Time shift for this packet: 0.000000000 seconds]</div>
<div class="x_ContentPasted0"> Epoch Time: 1676038309.076214000 seconds</div>
<div class="x_ContentPasted0"> [Time delta from previous captured frame: 0.002879000 seconds]</div>
<div class="x_ContentPasted0"> [Time delta from previous displayed frame: 0.002879000 seconds]</div>
<div class="x_ContentPasted0"> [Time since reference or first frame: 6.778556000 seconds]</div>
<div class="x_ContentPasted0"> Frame Number: 25</div>
<div class="x_ContentPasted0"> Frame Length: 60 bytes (480 bits)</div>
<div class="x_ContentPasted0"> Capture Length: 60 bytes (480 bits)</div>
<div class="x_ContentPasted0"> [Frame is marked: False]</div>
<div class="x_ContentPasted0"> [Frame is ignored: False]</div>
<div class="x_ContentPasted0"> [Protocols in frame: eth:ethertype:ip:tcp]</div>
<div class="x_ContentPasted0"> [Coloring Rule Name: TCP SYN/FIN]</div>
<div class="x_ContentPasted0"> [Coloring Rule String: tcp.flags & 0x02 || tcp.flags.fin == 1]</div>
<div class="x_ContentPasted0">Ethernet II, Src: xxx, Dst: xxx</div>
<div class="x_ContentPasted0"> Destination: xxx</div>
<div class="x_ContentPasted0"> Address: xxx</div>
<div class="x_ContentPasted0"> .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default)</div>
<div class="x_ContentPasted0"> .... ...0 .... .... .... .... = IG bit: Individual address (unicast)</div>
<div class="x_ContentPasted0"> Source: xxx</div>
<div class="x_ContentPasted0"> Address: xxx</div>
<div class="x_ContentPasted0"> .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default)</div>
<div class="x_ContentPasted0"> .... ...0 .... .... .... .... = IG bit: Individual address (unicast)</div>
<div class="x_ContentPasted0"> Type: IPv4 (0x0800)</div>
<div class="x_ContentPasted0"> Trailer: 000085725dce</div>
<div class="x_ContentPasted0">Internet Protocol Version 4, Src: x.y.z.w, Dst: x.y.z.w</div>
<div class="x_ContentPasted0"> 0100 .... = Version: 4</div>
<div class="x_ContentPasted0"> .... 0101 = Header Length: 20 bytes (5)</div>
<div class="x_ContentPasted0"> Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT)</div>
<div class="x_ContentPasted0"> 0000 00.. = Differentiated Services Codepoint: Default (0)</div>
<div class="x_ContentPasted0"> .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0)</div>
<div class="x_ContentPasted0"> Total Length: 40</div>
<div class="x_ContentPasted0"> Identification: 0xea10 (59920)</div>
<div class="x_ContentPasted0"> 010. .... = Flags: 0x2, Don't fragment</div>
<div class="x_ContentPasted0"> 0... .... = Reserved bit: Not set</div>
<div class="x_ContentPasted0"> .1.. .... = Don't fragment: Set</div>
<div class="x_ContentPasted0"> ..0. .... = More fragments: Not set</div>
<div class="x_ContentPasted0"> ...0 0000 0000 0000 = Fragment Offset: 0</div>
<div class="x_ContentPasted0"> Time to Live: 52</div>
<div class="x_ContentPasted0"> Protocol: TCP (6)</div>
<div class="x_ContentPasted0"> Header Checksum: 0x1cbc [validation disabled]</div>
<div class="x_ContentPasted0"> [Header checksum status: Unverified]</div>
<div class="x_ContentPasted0"> Source Address: x.y.z.w</div>
<div class="x_ContentPasted0"> Destination Address: x.y.z.w</div>
<div class="x_ContentPasted0">Transmission Control Protocol, Src Port: xxx, Dst Port: 34986, Seq: 5750, Ack: 2771, Len: 0</div>
<div class="x_ContentPasted0"> Source Port: xxx</div>
<div class="x_ContentPasted0"> Destination Port: 34986</div>
<div class="x_ContentPasted0"> [Stream index: 1]</div>
<div class="x_ContentPasted0"> [Conversation completeness: Complete, WITH_DATA (63)]</div>
<div class="x_ContentPasted0"> [TCP Segment Len: 0]</div>
<div class="x_ContentPasted0"> Sequence Number: 5750 (relative sequence number)</div>
<div class="x_ContentPasted0"> Sequence Number (raw): 2509794849</div>
<div class="x_ContentPasted0"> [Next Sequence Number: 5751 (relative sequence number)]</div>
<div class="x_ContentPasted0"> Acknowledgment Number: 2771 (relative ack number)</div>
<div class="x_ContentPasted0"> Acknowledgment number (raw): 2630184931</div>
<div class="x_ContentPasted0"> 0101 .... = Header Length: 20 bytes (5)</div>
<div class="x_ContentPasted0"> Flags: 0x011 (FIN, ACK)</div>
<div class="x_ContentPasted0"> 000. .... .... = Reserved: Not set</div>
<div class="x_ContentPasted0"> ...0 .... .... = Accurate ECN: Not set</div>
<div class="x_ContentPasted0"> .... 0... .... = Congestion Window Reduced: Not set</div>
<div class="x_ContentPasted0"> .... .0.. .... = ECN-Echo: Not set</div>
<div class="x_ContentPasted0"> .... ..0. .... = Urgent: Not set</div>
<div class="x_ContentPasted0"> .... ...1 .... = Acknowledgment: Set</div>
<div class="x_ContentPasted0"> .... .... 0... = Push: Not set</div>
<div class="x_ContentPasted0"> .... .... .0.. = Reset: Not set</div>
<div class="x_ContentPasted0"> .... .... ..0. = Syn: Not set</div>
<div class="x_ContentPasted0"> .... .... ...1 = Fin: Set</div>
<div class="x_ContentPasted0"> [TCP Flags: ·······A···F]</div>
<div class="x_ContentPasted0"> Window: 4</div>
<div class="x_ContentPasted0"> [Calculated window size: 65536]</div>
<div class="x_ContentPasted0"> [Window size scaling factor: 16384]</div>
<div class="x_ContentPasted0"> Checksum: 0xc512 [unverified]</div>
<div class="x_ContentPasted0"> [Checksum Status: Unverified]</div>
<div class="x_ContentPasted0"> Urgent Pointer: 0</div>
<div class="x_ContentPasted0"> [Timestamps]</div>
<div class="x_ContentPasted0"> [Time since first frame in this TCP stream: 1.010209000 seconds]</div>
<div class="x_ContentPasted0"> [Time since previous frame in this TCP stream: 0.002879000 seconds]</div>
<div class="x_ContentPasted0"> [SEQ/ACK analysis]</div>
<div class="x_ContentPasted0"> [This is an ACK to the segment in frame: 24]</div>
<div class="x_ContentPasted0"> [The RTT to ACK the segment was: 0.002879000 seconds]</div>
<div class="x_ContentPasted0"> [iRTT: 0.003010000 seconds]</div>
<div><br class="x_ContentPasted0">
</div>
<div><br class="x_ContentPasted0">
</div>
<div class="x_ContentPasted0">26 2023-02-10 15:11:49,117776 x.y.z.w x.y.z.w TCP 54 34986 → xxx [ACK] Seq=2771 Ack=5751 Win=40704 Len=0</div>
<div class="x_ContentPasted0">Frame 26: 54 bytes on wire (432 bits), 54 bytes captured (432 bits)</div>
<div class="x_ContentPasted0"> Encapsulation type: Ethernet (1)</div>
<div class="x_ContentPasted0"> Arrival Time: Feb 10, 2023 15:11:49.117776000 Central Europe Standard Time</div>
<div class="x_ContentPasted0"> [Time shift for this packet: 0.000000000 seconds]</div>
<div class="x_ContentPasted0"> Epoch Time: 1676038309.117776000 seconds</div>
<div class="x_ContentPasted0"> [Time delta from previous captured frame: 0.041562000 seconds]</div>
<div class="x_ContentPasted0"> [Time delta from previous displayed frame: 0.041562000 seconds]</div>
<div class="x_ContentPasted0"> [Time since reference or first frame: 6.820118000 seconds]</div>
<div class="x_ContentPasted0"> Frame Number: 26</div>
<div class="x_ContentPasted0"> Frame Length: 54 bytes (432 bits)</div>
<div class="x_ContentPasted0"> Capture Length: 54 bytes (432 bits)</div>
<div class="x_ContentPasted0"> [Frame is marked: False]</div>
<div class="x_ContentPasted0"> [Frame is ignored: False]</div>
<div class="x_ContentPasted0"> [Protocols in frame: eth:ethertype:ip:tcp]</div>
<div class="x_ContentPasted0"> [Coloring Rule Name: TCP]</div>
<div class="x_ContentPasted0"> [Coloring Rule String: tcp]</div>
<div class="x_ContentPasted0">Ethernet II, Src: Mellanox_69:6f:47 (1c:34:da:69:6f:47), Dst: ICANNIAN_00:40:20 (00:00:5e:00:40:20)</div>
<div class="x_ContentPasted0"> Destination: ICANNIAN_00:40:20 (00:00:5e:00:40:20)</div>
<div class="x_ContentPasted0"> Address: ICANNIAN_00:40:20 (00:00:5e:00:40:20)</div>
<div class="x_ContentPasted0"> .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default)</div>
<div class="x_ContentPasted0"> .... ...0 .... .... .... .... = IG bit: Individual address (unicast)</div>
<div class="x_ContentPasted0"> Source: Mellanox_69:6f:47 (1c:34:da:69:6f:47)</div>
<div class="x_ContentPasted0"> Address: Mellanox_69:6f:47 (1c:34:da:69:6f:47)</div>
<div class="x_ContentPasted0"> .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default)</div>
<div class="x_ContentPasted0"> .... ...0 .... .... .... .... = IG bit: Individual address (unicast)</div>
<div class="x_ContentPasted0"> Type: IPv4 (0x0800)</div>
<div class="x_ContentPasted0">Internet Protocol Version 4, Src: x.y.z.w, Dst: x.y.z.w</div>
<div class="x_ContentPasted0"> 0100 .... = Version: 4</div>
<div class="x_ContentPasted0"> .... 0101 = Header Length: 20 bytes (5)</div>
<div class="x_ContentPasted0"> Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT)</div>
<div class="x_ContentPasted0"> 0000 00.. = Differentiated Services Codepoint: Default (0)</div>
<div class="x_ContentPasted0"> .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0)</div>
<div class="x_ContentPasted0"> Total Length: 40</div>
<div class="x_ContentPasted0"> Identification: 0xeebd (61117)</div>
<div class="x_ContentPasted0"> 010. .... = Flags: 0x2, Don't fragment</div>
<div class="x_ContentPasted0"> 0... .... = Reserved bit: Not set</div>
<div class="x_ContentPasted0"> .1.. .... = Don't fragment: Set</div>
<div class="x_ContentPasted0"> ..0. .... = More fragments: Not set</div>
<div class="x_ContentPasted0"> ...0 0000 0000 0000 = Fragment Offset: 0</div>
<div class="x_ContentPasted0"> Time to Live: 64</div>
<div class="x_ContentPasted0"> Protocol: TCP (6)</div>
<div class="x_ContentPasted0"> Header Checksum: 0x0c0f [validation disabled]</div>
<div class="x_ContentPasted0"> [Header checksum status: Unverified]</div>
<div class="x_ContentPasted0"> Source Address: x.y.z.w</div>
<div class="x_ContentPasted0"> Destination Address: x.y.z.w</div>
<div class="x_ContentPasted0">Transmission Control Protocol, Src Port: 34986, Dst Port: xxx, Seq: 2771, Ack: 5751, Len: 0</div>
<div class="x_ContentPasted0"> Source Port: 34986</div>
<div class="x_ContentPasted0"> Destination Port: xxx</div>
<div class="x_ContentPasted0"> [Stream index: 1]</div>
<div class="x_ContentPasted0"> [Conversation completeness: Complete, WITH_DATA (63)]</div>
<div class="x_ContentPasted0"> [TCP Segment Len: 0]</div>
<div class="x_ContentPasted0"> Sequence Number: 2771 (relative sequence number)</div>
<div class="x_ContentPasted0"> Sequence Number (raw): 2630184931</div>
<div class="x_ContentPasted0"> [Next Sequence Number: 2771 (relative sequence number)]</div>
<div class="x_ContentPasted0"> Acknowledgment Number: 5751 (relative ack number)</div>
<div class="x_ContentPasted0"> Acknowledgment number (raw): 2509794850</div>
<div class="x_ContentPasted0"> 0101 .... = Header Length: 20 bytes (5)</div>
<div class="x_ContentPasted0"> Flags: 0x010 (ACK)</div>
<div class="x_ContentPasted0"> 000. .... .... = Reserved: Not set</div>
<div class="x_ContentPasted0"> ...0 .... .... = Accurate ECN: Not set</div>
<div class="x_ContentPasted0"> .... 0... .... = Congestion Window Reduced: Not set</div>
<div class="x_ContentPasted0"> .... .0.. .... = ECN-Echo: Not set</div>
<div class="x_ContentPasted0"> .... ..0. .... = Urgent: Not set</div>
<div class="x_ContentPasted0"> .... ...1 .... = Acknowledgment: Set</div>
<div class="x_ContentPasted0"> .... .... 0... = Push: Not set</div>
<div class="x_ContentPasted0"> .... .... .0.. = Reset: Not set</div>
<div class="x_ContentPasted0"> .... .... ..0. = Syn: Not set</div>
<div class="x_ContentPasted0"> .... .... ...0 = Fin: Not set</div>
<div class="x_ContentPasted0"> [TCP Flags: ·······A····]</div>
<div class="x_ContentPasted0"> Window: 318</div>
<div class="x_ContentPasted0"> [Calculated window size: 40704]</div>
<div class="x_ContentPasted0"> [Window size scaling factor: 128]</div>
<div class="x_ContentPasted0"> Checksum: 0x401e [unverified]</div>
<div class="x_ContentPasted0"> [Checksum Status: Unverified]</div>
<div class="x_ContentPasted0"> Urgent Pointer: 0</div>
<div class="x_ContentPasted0"> [Timestamps]</div>
<div class="x_ContentPasted0"> [Time since first frame in this TCP stream: 1.051771000 seconds]</div>
<div class="x_ContentPasted0"> [Time since previous frame in this TCP stream: 0.041562000 seconds]</div>
<div class="x_ContentPasted0"> [SEQ/ACK analysis]</div>
<div class="x_ContentPasted0"> [This is an ACK to the segment in frame: 25]</div>
<div class="x_ContentPasted0"> [The RTT to ACK the segment was: 0.041562000 seconds]</div>
<div class="x_ContentPasted0"> [iRTT: 0.003010000 seconds]</div>
<div><br class="x_ContentPasted0">
</div>
<div><br class="x_ContentPasted0">
</div>
<div><br class="x_ContentPasted0">
</div>
<div class="x_ContentPasted0">27 2023-02-10 15:12:10,183395 x.y.w.z x.y.w.z TLSv1.2 457 Application Data</div>
<div class="x_ContentPasted0">Frame 27: 457 bytes on wire (3656 bits), 457 bytes captured (3656 bits)</div>
<div class="x_ContentPasted0"> Encapsulation type: Ethernet (1)</div>
<div class="x_ContentPasted0"> Arrival Time: Feb 10, 2023 15:12:10.183395000 Central Europe Standard Time</div>
<div class="x_ContentPasted0"> [Time shift for this packet: 0.000000000 seconds]</div>
<div class="x_ContentPasted0"> Epoch Time: 1676038330.183395000 seconds</div>
<div class="x_ContentPasted0"> [Time delta from previous captured frame: 21.065619000 seconds]</div>
<div class="x_ContentPasted0"> [Time delta from previous displayed frame: 21.065619000 seconds]</div>
<div class="x_ContentPasted0"> [Time since reference or first frame: 27.885737000 seconds]</div>
<div class="x_ContentPasted0"> Frame Number: 27</div>
<div class="x_ContentPasted0"> Frame Length: 457 bytes (3656 bits)</div>
<div class="x_ContentPasted0"> Capture Length: 457 bytes (3656 bits)</div>
<div class="x_ContentPasted0"> [Frame is marked: False]</div>
<div class="x_ContentPasted0"> [Frame is ignored: False]</div>
<div class="x_ContentPasted0"> [Protocols in frame: eth:ethertype:ip:tcp:tls]</div>
<div class="x_ContentPasted0"> [Coloring Rule Name: TCP]</div>
<div class="x_ContentPasted0"> [Coloring Rule String: tcp]</div>
<div class="x_ContentPasted0">Ethernet II, Src: xxx, Dst: xxx</div>
<div class="x_ContentPasted0"> Destination: xxx</div>
<div class="x_ContentPasted0"> Address: xxx</div>
<div class="x_ContentPasted0"> .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default)</div>
<div class="x_ContentPasted0"> .... ...0 .... .... .... .... = IG bit: Individual address (unicast)</div>
<div class="x_ContentPasted0"> Source: xxx</div>
<div class="x_ContentPasted0"> Address: xxx</div>
<div class="x_ContentPasted0"> .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default)</div>
<div class="x_ContentPasted0"> .... ...0 .... .... .... .... = IG bit: Individual address (unicast)</div>
<div class="x_ContentPasted0"> Type: IPv4 (0x0800)</div>
<div class="x_ContentPasted0">Internet Protocol Version 4, Src: x.y.w.z, Dst: x.y.w.z</div>
<div class="x_ContentPasted0"> 0100 .... = Version: 4</div>
<div class="x_ContentPasted0"> .... 0101 = Header Length: 20 bytes (5)</div>
<div class="x_ContentPasted0"> Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT)</div>
<div class="x_ContentPasted0"> 0000 00.. = Differentiated Services Codepoint: Default (0)</div>
<div class="x_ContentPasted0"> .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0)</div>
<div class="x_ContentPasted0"> Total Length: 443</div>
<div class="x_ContentPasted0"> Identification: 0xeebe (61118)</div>
<div class="x_ContentPasted0"> 010. .... = Flags: 0x2, Don't fragment</div>
<div class="x_ContentPasted0"> 0... .... = Reserved bit: Not set</div>
<div class="x_ContentPasted0"> .1.. .... = Don't fragment: Set</div>
<div class="x_ContentPasted0"> ..0. .... = More fragments: Not set</div>
<div class="x_ContentPasted0"> ...0 0000 0000 0000 = Fragment Offset: 0</div>
<div class="x_ContentPasted0"> Time to Live: 64</div>
<div class="x_ContentPasted0"> Protocol: TCP (6)</div>
<div class="x_ContentPasted0"> Header Checksum: 0x0a7b [validation disabled]</div>
<div class="x_ContentPasted0"> [Header checksum status: Unverified]</div>
<div class="x_ContentPasted0"> Source Address: x.y.w.z</div>
<div class="x_ContentPasted0"> Destination Address: x.y.w.z</div>
<div class="x_ContentPasted0">Transmission Control Protocol, Src Port: 34986, Dst Port: xxx, Seq: 2771, Ack: 5751, Len: 403</div>
<div class="x_ContentPasted0"> Source Port: 34986</div>
<div class="x_ContentPasted0"> Destination Port: xxx</div>
<div class="x_ContentPasted0"> [Stream index: 1]</div>
<div class="x_ContentPasted0"> [Conversation completeness: Complete, WITH_DATA (63)]</div>
<div class="x_ContentPasted0"> [TCP Segment Len: 403]</div>
<div class="x_ContentPasted0"> Sequence Number: 2771 (relative sequence number)</div>
<div class="x_ContentPasted0"> Sequence Number (raw): 2630184931</div>
<div class="x_ContentPasted0"> [Next Sequence Number: 3174 (relative sequence number)]</div>
<div class="x_ContentPasted0"> Acknowledgment Number: 5751 (relative ack number)</div>
<div class="x_ContentPasted0"> Acknowledgment number (raw): 2509794850</div>
<div class="x_ContentPasted0"> 0101 .... = Header Length: 20 bytes (5)</div>
<div class="x_ContentPasted0"> Flags: 0x018 (PSH, ACK)</div>
<div class="x_ContentPasted0"> 000. .... .... = Reserved: Not set</div>
<div class="x_ContentPasted0"> ...0 .... .... = Accurate ECN: Not set</div>
<div class="x_ContentPasted0"> .... 0... .... = Congestion Window Reduced: Not set</div>
<div class="x_ContentPasted0"> .... .0.. .... = ECN-Echo: Not set</div>
<div class="x_ContentPasted0"> .... ..0. .... = Urgent: Not set</div>
<div class="x_ContentPasted0"> .... ...1 .... = Acknowledgment: Set</div>
<div class="x_ContentPasted0"> .... .... 1... = Push: Set</div>
<div class="x_ContentPasted0"> .... .... .0.. = Reset: Not set</div>
<div class="x_ContentPasted0"> .... .... ..0. = Syn: Not set</div>
<div class="x_ContentPasted0"> .... .... ...0 = Fin: Not set</div>
<div class="x_ContentPasted0"> [TCP Flags: ·······AP···]</div>
<div class="x_ContentPasted0"> Window: 318</div>
<div class="x_ContentPasted0"> [Calculated window size: 40704]</div>
<div class="x_ContentPasted0"> [Window size scaling factor: 128]</div>
<div class="x_ContentPasted0"> Checksum: 0x41b1 [unverified]</div>
<div class="x_ContentPasted0"> [Checksum Status: Unverified]</div>
<div class="x_ContentPasted0"> Urgent Pointer: 0</div>
<div class="x_ContentPasted0"> [Timestamps]</div>
<div class="x_ContentPasted0"> [Time since first frame in this TCP stream: 22.117390000 seconds]</div>
<div class="x_ContentPasted0"> [Time since previous frame in this TCP stream: 21.065619000 seconds]</div>
<div class="x_ContentPasted0"> [SEQ/ACK analysis]</div>
<div class="x_ContentPasted0"> [iRTT: 0.003010000 seconds]</div>
<div class="x_ContentPasted0"> [Bytes in flight: 403]</div>
<div class="x_ContentPasted0"> [Bytes sent since last PSH flag: 403]</div>
<div class="x_ContentPasted0"> TCP payload (403 bytes)</div>
<div class="x_ContentPasted0">Transport Layer Security</div>
<div class="x_ContentPasted0"> TLSv1.2 Record Layer: Application Data Protocol: Application Data</div>
<div class="x_ContentPasted0"> Content Type: Application Data (23)</div>
<div class="x_ContentPasted0"> Version: TLS 1.2 (0x0303)</div>
<div class="x_ContentPasted0"> Length: 398</div>
<div class="x_ContentPasted0"> Encrypted Application Data: 0000000000000002be4aae5822b205849734ad881717619991987bc9817d0b0417781265…</div>
<div><br class="x_ContentPasted0">
</div>
<div><br class="x_ContentPasted0">
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<div class="x_ContentPasted0">28 2023-02-10 15:12:10,185930 x.y.w.z x.y.w.z TCP 60 xxx → 34986 [RST] Seq=5751 Win=0 Len=0</div>
<div class="x_ContentPasted0">Frame 28: 60 bytes on wire (480 bits), 60 bytes captured (480 bits)</div>
<div class="x_ContentPasted0"> Encapsulation type: Ethernet (1)</div>
<div class="x_ContentPasted0"> Arrival Time: Feb 10, 2023 15:12:10.185930000 Central Europe Standard Time</div>
<div class="x_ContentPasted0"> [Time shift for this packet: 0.000000000 seconds]</div>
<div class="x_ContentPasted0"> Epoch Time: 1676038330.185930000 seconds</div>
<div class="x_ContentPasted0"> [Time delta from previous captured frame: 0.002535000 seconds]</div>
<div class="x_ContentPasted0"> [Time delta from previous displayed frame: 0.002535000 seconds]</div>
<div class="x_ContentPasted0"> [Time since reference or first frame: 27.888272000 seconds]</div>
<div class="x_ContentPasted0"> Frame Number: 28</div>
<div class="x_ContentPasted0"> Frame Length: 60 bytes (480 bits)</div>
<div class="x_ContentPasted0"> Capture Length: 60 bytes (480 bits)</div>
<div class="x_ContentPasted0"> [Frame is marked: False]</div>
<div class="x_ContentPasted0"> [Frame is ignored: False]</div>
<div class="x_ContentPasted0"> [Protocols in frame: eth:ethertype:ip:tcp]</div>
<div class="x_ContentPasted0"> [Coloring Rule Name: TCP RST]</div>
<div class="x_ContentPasted0"> [Coloring Rule String: tcp.flags.reset eq 1]</div>
<div class="x_ContentPasted0">Ethernet II, Src: xxx, Dst: xxx</div>
<div class="x_ContentPasted0"> Destination: xxx</div>
<div class="x_ContentPasted0"> Address: xxx</div>
<div class="x_ContentPasted0"> .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default)</div>
<div class="x_ContentPasted0"> .... ...0 .... .... .... .... = IG bit: Individual address (unicast)</div>
<div class="x_ContentPasted0"> Source: xxx</div>
<div class="x_ContentPasted0"> Address: xxx</div>
<div class="x_ContentPasted0"> .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default)</div>
<div class="x_ContentPasted0"> .... ...0 .... .... .... .... = IG bit: Individual address (unicast)</div>
<div class="x_ContentPasted0"> Type: IPv4 (0x0800)</div>
<div class="x_ContentPasted0"> Trailer: 00003b22a540</div>
<div class="x_ContentPasted0">Internet Protocol Version 4, Src: x.y.w.z, Dst: x.y.w.z</div>
<div class="x_ContentPasted0"> 0100 .... = Version: 4</div>
<div class="x_ContentPasted0"> .... 0101 = Header Length: 20 bytes (5)</div>
<div class="x_ContentPasted0"> Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT)</div>
<div class="x_ContentPasted0"> 0000 00.. = Differentiated Services Codepoint: Default (0)</div>
<div class="x_ContentPasted0"> .... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0)</div>
<div class="x_ContentPasted0"> Total Length: 40</div>
<div class="x_ContentPasted0"> Identification: 0xd52f (54575)</div>
<div class="x_ContentPasted0"> 010. .... = Flags: 0x2, Don't fragment</div>
<div class="x_ContentPasted0"> 0... .... = Reserved bit: Not set</div>
<div class="x_ContentPasted0"> .1.. .... = Don't fragment: Set</div>
<div class="x_ContentPasted0"> ..0. .... = More fragments: Not set</div>
<div class="x_ContentPasted0"> ...0 0000 0000 0000 = Fragment Offset: 0</div>
<div class="x_ContentPasted0"> Time to Live: 52</div>
<div class="x_ContentPasted0"> Protocol: TCP (6)</div>
<div class="x_ContentPasted0"> Header Checksum: 0x319d [validation disabled]</div>
<div class="x_ContentPasted0"> [Header checksum status: Unverified]</div>
<div class="x_ContentPasted0"> Source Address: x.y.w.z</div>
<div class="x_ContentPasted0"> Destination Address: x.y.w.z</div>
<div class="x_ContentPasted0">Transmission Control Protocol, Src Port: xxx, Dst Port: 34986, Seq: 5751, Len: 0</div>
<div class="x_ContentPasted0"> Source Port: xxx</div>
<div class="x_ContentPasted0"> Destination Port: 34986</div>
<div class="x_ContentPasted0"> [Stream index: 1]</div>
<div class="x_ContentPasted0"> [Conversation completeness: Complete, WITH_DATA (63)]</div>
<div class="x_ContentPasted0"> [TCP Segment Len: 0]</div>
<div class="x_ContentPasted0"> Sequence Number: 5751 (relative sequence number)</div>
<div class="x_ContentPasted0"> Sequence Number (raw): 2509794850</div>
<div class="x_ContentPasted0"> [Next Sequence Number: 5751 (relative sequence number)]</div>
<div class="x_ContentPasted0"> Acknowledgment Number: 0</div>
<div class="x_ContentPasted0"> Acknowledgment number (raw): 0</div>
<div class="x_ContentPasted0"> 0101 .... = Header Length: 20 bytes (5)</div>
<div class="x_ContentPasted0"> Flags: 0x004 (RST)</div>
<div class="x_ContentPasted0"> 000. .... .... = Reserved: Not set</div>
<div class="x_ContentPasted0"> ...0 .... .... = Accurate ECN: Not set</div>
<div class="x_ContentPasted0"> .... 0... .... = Congestion Window Reduced: Not set</div>
<div class="x_ContentPasted0"> .... .0.. .... = ECN-Echo: Not set</div>
<div class="x_ContentPasted0"> .... ..0. .... = Urgent: Not set</div>
<div class="x_ContentPasted0"> .... ...0 .... = Acknowledgment: Not set</div>
<div class="x_ContentPasted0"> .... .... 0... = Push: Not set</div>
<div class="x_ContentPasted0"> .... .... .1.. = Reset: Set</div>
<div class="x_ContentPasted0"> .... .... ..0. = Syn: Not set</div>
<div class="x_ContentPasted0"> .... .... ...0 = Fin: Not set</div>
<div class="x_ContentPasted0"> [TCP Flags: ·········R··]</div>
<div class="x_ContentPasted0"> Window: 0</div>
<div class="x_ContentPasted0"> [Calculated window size: 0]</div>
<div class="x_ContentPasted0"> [Window size scaling factor: 16384]</div>
<div class="x_ContentPasted0"> Checksum: 0xd1cb [unverified]</div>
<div class="x_ContentPasted0"> [Checksum Status: Unverified]</div>
<div class="x_ContentPasted0"> Urgent Pointer: 0</div>
<div class="x_ContentPasted0"> [Timestamps]</div>
<div class="x_ContentPasted0"> [Time since first frame in this TCP stream: 22.119925000 seconds]</div>
<div class="x_ContentPasted0"> [Time since previous frame in this TCP stream: 0.002535000 seconds]</div>
<div><br class="x_ContentPasted0">
</div>
<div class="x_elementToProof">I have other log collections working fine with TLS.</div>
<div><br class="x_ContentPasted0">
</div>
<div class="x_ContentPasted0">Can you please give me some hint what could cause this?</div>
<div><br class="x_ContentPasted0">
</div>
<div class="x_ContentPasted0">Thank you.</div>
<div><br class="x_ContentPasted0">
</div>
<div class="x_ContentPasted0">Br,</div>
Dragan<br>
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