RE: [squid-users] client ip's

Hum, the last one's on debian.
They were 3.0 PRE-X, but don't remember the number.

> -----Original Message-----
> From: Amos Jeffries [mailto:squid3@treenet.co.nz]
> Sent: quinta-feira, 3 de Abril de 2008 6:08
> To: Jorge Bastos
> Cc: 'Henrik Nordstrom'; squid-users@squid-cache.org
> Subject: Re: [squid-users] client ip's
>
> Jorge Bastos wrote:
> > The rule I use to redirect traffic from 80 to 8080 is:
> > I must remember, this was working before 3.0 stable1 or stable2 (not
> using
> > stable2), I just saw this was happening now.
>
> What version did you upgrade from?
>
> >
> > iptables -t nat -A PREROUTING -s 192.168.1.0/24 -p tcp --dport 80 -j
> DNAT
> > --to-destination 192.168.1.1:8080
> >
>
> If squid is running on this same box I would recommend the REDIRECT
> target instead of DNAT. It's less work for the kernel.
>
> The other possible issue is that you have your redirection rule at the
> start of the NAT tables. The matching rule to allow squid traffic out
> is
> near the end.
>
> Even if you keep DNAT, they should be in this order:
>
> # allow squid traffic out okay.
> iptables -t nat _A PREROUTING -s 192.168.1.1 -p tcp --dport 80 -j
> ACCEPT
> # redirect all other web traffic into squid.
> iptables -t nat -A PREROUTING -s 192.168.1.0/24 -p tcp --dport 80 -j
> REDIRECT --to-port 8080
>
> >
> > cisne:~# iptables-save -t nat
> > # Generated by iptables-save v1.4.0 on Wed Apr 2 17:12:25 2008
> > *nat
> > :PREROUTING ACCEPT [35:1650]
> > :POSTROUTING ACCEPT [10307:1367320]
> > :OUTPUT ACCEPT [66427:4357431]
> > -A PREROUTING -d 193.164.158.105/32 -j DROP
> > -A PREROUTING -i eth1 -p tcp -m tcp --dport 5111 -j DNAT --to-
> destination
> > 192.168.1.11:5900
> > -A PREROUTING -i eth1 -p tcp -m tcp --dport 5901 -j DNAT --to-
> destination
> > 192.168.1.2:5900
> > -A PREROUTING -i eth1 -p tcp -m tcp --dport 5969 -j DNAT --to-
> destination
> > 192.168.1.3:5900
> > -A PREROUTING -i eth1 -p tcp -m tcp --dport 3389 -j DNAT --to-
> destination
> > 192.168.1.204:3389
> > -A PREROUTING -s 192.168.1.0/24 -p tcp -m tcp --dport 80 -j DNAT
> > --to-destination 192.168.1.1:8080
> > -A PREROUTING -p gre -j ACCEPT
> > -A PREROUTING -p icmp -j ACCEPT
> > -A PREROUTING -p ah -j ACCEPT
> > -A PREROUTING -p udp -m udp --dport 53 -j ACCEPT
> > -A PREROUTING -p udp -m udp --dport 500 -j ACCEPT
> > -A PREROUTING -p udp -m udp --dport 1723 -j ACCEPT
> > -A PREROUTING -p udp -j ACCEPT
> > -A PREROUTING -p tcp -m tcp --dport 20 -j ACCEPT
> > -A PREROUTING -p tcp -m tcp --dport 21 -j ACCEPT
> > -A PREROUTING -p tcp -m tcp --dport 22 -j ACCEPT
> > -A PREROUTING -p tcp -m tcp --dport 23 -j ACCEPT
> > -A PREROUTING -p tcp -m tcp --dport 25 -j ACCEPT
> > -A PREROUTING -p tcp -m tcp --dport 43 -j ACCEPT
> > -A PREROUTING -p tcp -m tcp --dport 79 -j ACCEPT
> > -A PREROUTING -p tcp -m tcp --dport 123 -j ACCEPT
> > -A PREROUTING -p tcp -m tcp --dport 143 -j ACCEPT
> > -A PREROUTING -p tcp -m tcp --dport 443 -j ACCEPT
> > -A PREROUTING -d 80.172.172.34/32 -p tcp -m tcp --dport 444 -j ACCEPT
> > -A PREROUTING -p tcp -m tcp --dport 1723 -j ACCEPT
> > -A PREROUTING -p tcp -m tcp --dport 1863 -j ACCEPT
> > -A PREROUTING -p tcp -m tcp --dport 3306 -j ACCEPT
> > -A PREROUTING -p tcp -m tcp --dport 3389 -j ACCEPT
> > -A PREROUTING -d 80.172.172.34/32 -p tcp -m tcp --dport 5000 -j
> ACCEPT
> > -A PREROUTING -p tcp -m tcp --dport 5190 -j ACCEPT
> > -A PREROUTING -p tcp -m tcp --dport 5900 -j ACCEPT
> > -A PREROUTING -p tcp -m tcp --dport 5901 -j ACCEPT
> > -A PREROUTING -p tcp -m tcp --dport 6667 -j ACCEPT
> > -A PREROUTING -s 192.168.1.0/24 -d 192.168.1.206/32 -p tcp -m tcp --
> dport
> > 8888 -j ACCEPT
> > -A PREROUTING -d 192.168.1.1/32 -p tcp -m tcp --dport 8080 -j ACCEPT
> > -A PREROUTING -i eth1 -p tcp -m tcp --dport 30106 -j DNAT --to-
> destination
> > 192.168.1.224:30106
> > -A PREROUTING -s 192.168.1.0/24 -p tcp -m tcp --dport 62500:63500
> > --tcp-flags FIN,SYN,RST,ACK SYN -j ACCEPT
> > -A PREROUTING -j DROP
> > -A POSTROUTING -o eth1 -j MASQUERADE
> > COMMIT
> > # Completed on Wed Apr 2 17:12:26 2008
> >
> > -----Original Message-----
> > From: Henrik Nordstrom [mailto:henrik@henriknordstrom.net]
> > Sent: quarta-feira, 2 de Abril de 2008 11:42
> > To: Jorge Bastos
> > Cc: squid-users@squid-cache.org
> > Subject: RE: [squid-users] client ip's
> >
> > WHat do your iptables NAT rules look like?
> >
> > iptables-save -t nat
> >
> > ons 2008-04-02 klockan 09:18 +0100 skrev Jorge Bastos:
> >> Transparent proxy
> >>
> >> Squid running on: 8080
> >> And I forward 80 => 8080 (squid) => web
> >>
> >> My iptables rules are intact, I believe it was from 3.0 stable 1 or
> 2 that
> >> this started to happen.
> >>
> >>
> >>
> >>
> >>> -----Original Message-----
> >>> From: Henrik Nordstrom [mailto:henrik@henriknordstrom.net]
> >>> Sent: quarta-feira, 2 de Abril de 2008 0:12
> >>> To: Jorge Bastos
> >>> Cc: squid-users@squid-cache.org
> >>> Subject: RE: [squid-users] client ip's
> >>>
> >>> tis 2008-04-01 klockan 12:29 +0100 skrev Jorge Bastos:
> >>>> No, just squid himself.
> >>> As a plain proxy, or playing with NAT?
> >>>
> >>> Regards
> >>> Henrik
> >
> >
>
> --
> Please use Squid 2.6.STABLE19 or 3.0.STABLE4
Received on Thu Apr 03 2008 - 02:58:00 MDT