Re: why am I getting this syn packet

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Wed, Jan 19, 2005 at 10:59:18AM -0400, Peter Marshall wrote:
> 
> I have a stand alone proxy server in my dmz.  It has an internal IP (that
> internal users connect to), and an external IP.
> I am seeing the following on my internal firewall logs.  I am not sure why
> the proxy would be trying to send a syn packet to the internal.
> 
> 
> Jan 19 10:56:40 radium kernel: DROP: prxy-int IN=eth1 OUT=eth0
> SRC=192.168.1.254 DST=192.168.201.109 LEN=60 TOS=0x00 PREC=0x00 TTL=63
> ID=57253 DF PROTO=TCP SPT=60145 DPT=113 WINDOW=5840 RES=0x00 SYN URGP=0

your proxy server is sending an ident request to the client.  i don't
believe that squid does ident lookups by default--so you must have
something in your squid.conf that's making it do it.

-j

--
"'Wet Cement' - is there any sweeter sign?  Maybe 'High Voltage.'"
        --The Simpsons


[Index of Archives]     [Linux Netfilter Development]     [Linux Kernel Networking Development]     [Netem]     [Berkeley Packet Filter]     [Linux Kernel Development]     [Advanced Routing & Traffice Control]     [Bugtraq]

  Powered by Linux