On 25.03.20 17:54, William Luiz Ribeiro Vasconcelos Da Silva wrote:
I still understand that it is not a firewall, because the machine that sends the packets is on the same network as my machine: 10.96.145.98> 10.96.145.42
iptables on destination linux machine is also a firewall. firewall does not necessarily mean another machine
Yes, I am receiving the packets on the network interface where the IP "10.96.145.42" is allocated, in my case eth1.
is it the "mgalnxa01" in your capture example below?
10:46:13.529331 IP (tos 0x20, ttl 251, id 33055, offset 0, flags [none], proto UDP (17), length 243) 10.96.145.98.syslog > mgalnxa01.9514: [udp sum ok] SYSLOG, length: 215
next time run tcpdump with "-n" option -- Matus UHLAR - fantomas, uhlar@fantomas.sk ; http://www.fantomas.sk/ Warning: I wish NOT to receive e-mail advertising to this address. Varovanie: na tuto adresu chcem NEDOSTAVAT akukolvek reklamnu postu. LSD will make your ECS screen display 16.7 million colors