[squid-users] iptables setup for tcp_outgoing_address

[davidjesse091 at aol.com]

I tried curl --interface 172.16.11.107 http://www.example.com yesterday and it worked fine, but now it looks like it does not work. Just hangs forever. So there is an issue there for sure. I will try to find out why it's not working.



-----Original Message-----
From: Alex Rousskov <rousskov at measurement-factory.com>
To: davidjesse091 <davidjesse091 at aol.com>; squid-users <squid-users at lists.squid-cache.org>
Sent: Fri, Jun 15, 2018 11:43 pm
Subject: Re: [squid-users] iptables setup for tcp_outgoing_address

On 06/15/2018 05:12 PM, davidjesse091 at aol.com wrote:

> if I use another interface's IP address
> for tcp_outgoing_address on my Linux machine then web pages don't load.

Does using "another interface" IP address work with curl or wget
executed on the Squid Linux box?

  curl --interface 172.16.11.107 http://www.example.com
  wget --bind-address=172.16.11.107 http://www.example.com


Alex.


> -----Original Message-----
> From: Alex Rousskov <rousskov at measurement-factory.com>
> To: davidjesse091 <davidjesse091 at aol.com>; squid-users
> <squid-users at lists.squid-cache.org>
> Sent: Fri, Jun 15, 2018 7:01 pm
> Subject: Re: [squid-users] iptables setup for tcp_outgoing_address
> 
> On 06/15/2018 04:42 PM, davidjesse091 at aol.com
> <mailto:davidjesse091 at aol.com> wrote:
> 
>> I want to connect to Squid proxy using 192.168.1.212 and if I am
>> connecting using port 11000,
> 
> I assume you meant "connecting to port 11000" (there is also the client
> source port, but it should not matter here).
> 
> 
>> I want squid to have the traffic go out of the 172.16.11.107 IP
> 
> 
>> http_port 11000 name=port_11000
>> acl port_11000_acl myportname port_11000
>> tcp_outgoing_address 172.16.11.107 port_11000_acl
> 
> Looks good to me, provided all your outgoing traffic goes to IPv4
> addresses (no IPv6).
> 
> 
>> What would I need to do with iptables to make this work?
> 
> Why do you think you need iptables? What does not work if you do not use
> IP tables?
> 
> 
> Alex.


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