On 07/04/2017 12:01 AM, Maik Linnemann wrote:
> Dear List,
> 
>  
> 
> i found that in some log lines theres a „DF“ behind the ID (see
> example). Not in all but in some. I couldnt find out what it is for and
> how to disable it (for log parsing). May I ask someone to give an
> explanation or a hint?! Thanks in advance!
> 
>  
> 
> Jul  2 15:57:35 HOST Shorewall:loc-net:ACCEPT: IN=eth1.1 OUT=eth0
> MAC=00:00:00:00:00:00:00:00:00:00:00:00:00:00 SRC=192.168.0.1
> DST=xxx.xxx.xx.xxx LEN=48 TOS=00 PREC=0x00 TTL=127 ID=10882 DF PROTO=TCP
> SPT=50764 DPT=443 SEQ=3276908360 ACK=0 WINDOW=8192 SYN URGP=0 MARK=0
> 

It is the 'Don't Fragment' flag in the IP header, and I know of no way
to suppress it.

-Tom
-- 
Tom Eastep        \   Q: What do you get when you cross a mobster with
Shoreline,         \     an international standard?
Washington, USA     \ A: Someone who makes you an offer you can't
http://shorewall.org \   understand
                      \_______________________________________________

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