[strongSwan] Why can I only see incoming un-encrypted traffic ? Outgoing cleartext traffic is not visible on the strongswan box.

[Charles-Edouard Ruault]

Hi Noel,
forget my last message, I figured it out, I had a REJECT rule before the nflog rule in my iptable chains that prevented the packets to reach the nflog rule. 
Everything’s fine now.
Sorry for the noise.
Regards.

Le 27 août 2015 à 17:46, Charles-Edouard Ruault <cer at maeglin.com> a écrit :

Hi Noel,
I just tried and now I can see outgoing trafic but I do not see incoming trafic anymore (on nflog). 
I’ve tried adding iptables rules to also direct incoming trafic to the nflog interface but without success.
It already helps me but being able to capture trafic flowing in both directions into the same capture file would definitely be better.
Any idea why the incoming trafic does not show up on nflog ?
Thanks again !
Regards.

Le 27 août 2015 à 17:20, Noel Kuntze <noel at familie-kuntze.de> a écrit :


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Forgot the tcpdump command:

tcpdump -i nflog:5 -s 0 -n

- -- 

Mit freundlichen Grüßen/Kind Regards,
Noel Kuntze

GPG Key ID: 0x63EC6658
Fingerprint: 23CA BB60 2146 05E7 7278 6592 3839 298F 63EC 6658

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Charles-Edouard Ruault
Pleex - Maeglin Software
http://www.pleex.com
Mob: +33 6 74 46 26 51

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Charles-Edouard Ruault
Pleex - Maeglin Software
http://www.pleex.com
Mob: +33 6 74 46 26 51