[syslog-ng] S_DATE apparently not working

Giulio Botto madecto at sangria.org.il
Wed Jun 13 12:33:13 CEST 2007


Balazs Scheidler wrote:
> On Thu, 2007-06-07 at 11:57 +0200, Giulio Botto wrote:
>> Hello,
>>
>> I'm new to both syslog-ng and the list so I first tried the docs and archives,
>> but couldn't find anything enlightening.
>>
>> We have a syslog-ng 2.0.3 running on CentOS 5 and some Cisco PIX appliances
>> sending their logs to it.
>>
>> If my understanding is correct I should be receiving the sender's timestamp
>> and should be able to log it in my log files instead of the the receiving
>> timestamp by application of the S_DATE macro.
> 
> If syslog-ng received an invalid timestamp or no timestamp, it generates
> a new value for S_DATE based on the local time.
> 
> Can you post a sample log message as received by syslog-ng? a tcpdump or
> an strace dump with the string size set to a high value (-s 4096 for
> instance) could be helpful.
> 

# tcpdump -s0 -x -X host 10.13.122.245
12:28:50.119966 IP 10.13.122.245.syslog > 10.13.102.12.syslog: SYSLOG
local7.info, length: 188
        0x0000:  4500 00d8 fdf1 0000 fc11 cb07 0a0d 7af5  E.............z.
        0x0010:  0a0d 660c 0202 0202 00c4 c214 3c31 3930  ..f.........<190
        0x0020:  3e41 7072 2031 3520 3230 3037 2032 313a  >Apr.15.2007.21:
        0x0030:  3238 3a31 333a 2025 5049 582d 362d 3330  28:13:.%PIX-6-30
        0x0040:  3230 3133 3a20 4275 696c 7420 6f75 7462  2013:.Built.outb
        0x0050:  6f75 6e64 2054 4350 2063 6f6e 6e65 6374  ound.TCP.connect
        0x0060:  696f 6e20 3136 3838 3534 3020 666f 7220  ion.1688540.for.
        0x0070:  626c 6f6f 6d62 6572 672d 6e65 743a 3230  bloomberg-net:20
        0x0080:  382e 3133 342e 3136 312e 3132 2f38 3239  8.134.161.12/829
        0x0090:  3420 2832 3038 2e31 3334 2e31 3631 2e31  4.(208.134.161.1
        0x00a0:  322f 3832 3934 2920 746f 2069 6e73 6964  2/8294).to.insid
        0x00b0:  653a 3130 2e31 3736 2e33 312e 3234 2f33  e:10.176.31.24/3
        0x00c0:  3636 3920 2831 302e 3137 362e 3331 2e32  669.(10.176.31.2
        0x00d0:  342f 3336 3639 290a                      4/3669).
12:28:50.223642 IP 10.13.122.245.syslog > 10.13.102.12.syslog: SYSLOG
local7.info, length: 178
        0x0000:  4500 00ce fdf3 0000 fc11 cb0f 0a0d 7af5  E.............z.
        0x0010:  0a0d 660c 0202 0202 00ba c26c 3c31 3930  ..f........l<190
        0x0020:  3e41 7072 2031 3520 3230 3037 2032 313a  >Apr.15.2007.21:
        0x0030:  3238 3a31 333a 2025 5049 582d 362d 3330  28:13:.%PIX-6-30
        0x0040:  3230 3134 3a20 5465 6172 646f 776e 2054  2014:.Teardown.T
        0x0050:  4350 2063 6f6e 6e65 6374 696f 6e20 3136  CP.connection.16
        0x0060:  3838 3433 3820 666f 7220 626c 6f6f 6d62  88438.for.bloomb
        0x0070:  6572 672d 6e65 743a 3230 382e 3133 342e  erg-net:208.134.
        0x0080:  3136 312e 3132 2f38 3239 3420 746f 2069  161.12/8294.to.i
        0x0090:  6e73 6964 653a 3130 2e31 3736 2e33 312e  nside:10.176.31.
        0x00a0:  3234 2f33 3633 3920 6475 7261 7469 6f6e  24/3639.duration
        0x00b0:  2030 3a30 373a 3031 2062 7974 6573 2031  .0:07:01.bytes.1
        0x00c0:  3639 3735 2054 4350 2046 494e 730a       6975.TCP.FINs.
12:28:52.667328 IP 10.13.122.245.syslog > 10.13.102.12.syslog: SYSLOG
local7.warning, length: 152
        0x0000:  4500 00b4 fdfa 0000 fc11 cb22 0a0d 7af5  E.........."..z.
        0x0010:  0a0d 660c 0202 0202 00a0 fdc4 3c31 3838  ..f.........<188
        0x0020:  3e41 7072 2031 3520 3230 3037 2032 313a  >Apr.15.2007.21:
        0x0030:  3238 3a31 353a 2025 5049 582d 342d 3130  28:15:.%PIX-4-10
        0x0040:  3630 3233 3a20 4465 6e79 2075 6470 2073  6023:.Deny.udp.s
        0x0050:  7263 2062 6c6f 6f6d 6265 7267 2d6e 6574  rc.bloomberg-net
        0x0060:  3a31 3939 2e31 3035 2e31 3831 2e35 302f  :199.105.181.50/
        0x0070:  3438 3133 3020 6473 7420 696e 7369 6465  48130.dst.inside
        0x0080:  3a31 302e 3137 362e 3334 2e38 362f 3438  :10.176.34.86/48
        0x0090:  3132 3920 6279 2061 6363 6573 732d 6772  129.by.access-gr
        0x00a0:  6f75 7020 2242 4c4f 4f4d 4245 5247 2d4e  oup."BLOOMBERG-N
        0x00b0:  4554 220a                                ET".

TIA,
-- 
Giulio Botto -- madecto at sangria.org.il
PGP fingerprint =  1979 A78A 8F82 DB5E 55E9  D6D6 6AB6 0BA9 FDB7 6789


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