Re: [squid-users] Squid + Cisco 4500 + WCCP2

On Wed, Jul 25, 2012 at 3:04 PM, Indunil Jayasooriya
<indunil75_at_gmail.com> wrote:
>
>
> Can your squid box to go to internet ? ( Pls check /etc/resolv.conf file )
>
> How many interfaces does your squid box have?
>
> 1 or 2 ?
>
> in /etc/sysctl.conf file , pls check net.ipv4.ip_forward parameter? try
> to make it to one in following manner.
>
> net.ipv4.ip_forward = 1
>
>
>
>
>
>
> On Wed, Jul 25, 2012 at 2:13 PM, Ioannis Pliatsikas <gpliats_at_ee.duth.gr>
> wrote:
>>
>> Very sorry for bothering you again
>>
>> although i get the redirection from the router to squid, using tcpdump
>> (10.72.192.61 test internal address)
>>
>> 11:38:37.956330 IP 199.47.218.151.80 > 10.72.192.61.50690: Flags [S.],
>> seq 1048613649, ack 1347334415, win 14600, options [mss
>> 1460,nop,nop,sackOK,nop,wscale 4], length 0
>> 11:38:38.399796 IP 10.72.192.61.50697 > 199.47.218.151.80: Flags [S], seq
>> 3043000771, win 8192, options [mss 1460,nop,wscale 2,nop,nop,sackOK], length
>> 0
>> 11:38:38.399880 IP 199.47.218.151.80 > 10.72.192.61.50697: Flags [S.],
>> seq 3389808826, ack 3043000772, win 14600, options [mss
>> 1460,nop,nop,sackOK,nop,wscale 4], length 0
>> 11:38:39.756353 IP 199.47.218.151.80 > 10.72.192.61.50697: Flags [S.],
>> seq 3389808826, ack 3043000772, win 14600, options [mss
>> 1460,nop,nop,sackOK,nop,wscale 4], length 0
>> 11:38:41.356350 IP 176.9.44.80.80 > 10.72.192.61.50693: Flags [S.], seq
>> 326259738, ack 1299448389, win 14600, options [mss
>> 1460,nop,nop,sackOK,nop,wscale 4], length 0
>> 11:38:41.409101 IP 10.72.192.61.50697 > 199.47.218.151.80: Flags [S], seq
>> 3043000771, win 8192, options [mss 1460,nop,wscale 2,nop,nop,sackOK], length
>> 0
>> 11:38:41.409164 IP 199.47.218.151.80 > 10.72.192.61.50697: Flags [S.],
>> seq 3389808826, ack 3043000772, win 14600, options [mss
>> 1460,nop,nop,sackOK,nop,wscale 4], length 0
>> 11:38:41.556343 IP 176.9.44.80.80 > 10.72.192.61.50694: Flags [S.], seq
>> 2634200113, ack 3423797704, win 14600, options [mss
>> 1460,nop,nop,sackOK,nop,wscale 4], length 0
>> 11:38:41.756336 IP 199.47.218.151.80 > 10.72.192.61.50697: Flags [S.],
>> seq 3389808826, ack 3043000772, win 14600, options [mss
>> 1460,nop,nop,sackOK,nop,wscale 4], length 0
>> 11:38:41.756362 IP 209.85.148.139.80 > 10.72.192.61.50695: Flags [S.],
>> seq 2040290141, ack 953271924, win 14600, options [mss
>> 1460,nop,nop,sackOK,nop,wscale 4], length 0
>> 11:38:42.356340 IP 209.85.148.139.80 > 10.72.192.61.50696: Flags [S.],
>> seq 69242255, ack 3941278742, win 14600, options [mss
>> 1460,nop,nop,sackOK,nop,wscale 4], length 0
>>
>>
>> i still can't get linux to redirect to squid (port 8080), access.log is
>> empty
>>
>> i use the following iptables
>>
>> -------------------------------------------------------------------------
>> # Generated by iptables-save v1.4.12.1 on Wed Jul 25 11:36:37 2012
>> *filter
>> :INPUT ACCEPT [105007:140596865]
>> :FORWARD ACCEPT [3:120]
>> :OUTPUT ACCEPT [212743:136992211]
>> -A INPUT -p tcp -m tcp --dport 8080 -j ACCEPT
>> -A INPUT -p tcp -m tcp --dport 80 -j ACCEPT
>> COMMIT
>> # Completed on Wed Jul 25 11:36:37 2012
>> # Generated by iptables-save v1.4.12.1 on Wed Jul 25 11:36:37 2012
>> *nat
>> :PREROUTING ACCEPT [0:0]
>> :INPUT ACCEPT [1254:65132]
>> :OUTPUT ACCEPT [118:7345]
>> :POSTROUTING ACCEPT [0:0]
>> -A PREROUTING -d $SQUID_IP -i eth0 -p tcp -j ACCEPT
>> -A PREROUTING -s $NETWORK_SPACE -i eth0 -p tcp -m tcp --dport 80 -j
>> REDIRECT --to-ports 8080
>> -A POSTROUTING -j MASQUERADE
>> COMMIT
>> # Completed on Wed Jul 25 11:36:37 2012
>>
>> ---------------------------------------------------------------------------
>>
>> Catch is that i use l2 redirection, so source and destination is eth0, no
>> gre tunnel. Can it be done or should a create a virtual device and redirect
>> input from there?
>>
>>
>> Thank you in advance
>> John
>
>
>
>
> --
> Thank you
> Indunil Jayasooriya
>

--
Thank you
Indunil Jayasooriya