As far as I can tell, there is no graceful and easy way to do it in Squid out of the box,
I will have to use namespaces + virtual interfaces or mark outgoing traffic from Squid,
I am currently looking into these 2 solutions that you suggested, I will implement them
and update here how it goes after testing.
However, for now as much as I love Squid I need a fast and easy solution, so I decided to
use Tiny-proxy transparent proxy instead, where I can simply run the service 40 times in parallel since it is so light.
Then, if there is a reboot of the modem, I can simply restart the specific service I need,
without effecting the other services and users.
Of course, this only works if you have a really simple configuration, for example like my case:
traffic from port 8001 -> out from modem1
traffic from port 8002 -> out from modem2
...
...
I will update shortly when I find a Squid solution,
Roee
_______________________________________________To give some perspective you can see the next example:
https://github.com/elico/mwan-nft-lb-example
but you need to learn first how network namespaces works in linux.
You will probably need to run squid in it’s own namespace which will be managed from the “main” or “root” namespace.
It will probably be similar to a management interface and virtual routers on products like Palo Alto.
Eliezer
From: Eliezer Croitoru <ngtech1ltd@xxxxxxxxx>
Sent: Sunday, March 20, 2022 00:20
To: 'Squid Users' <squid-users@xxxxxxxxxxxxxxxxxxxxx>
Subject: RE: [squid-users] Reconfiguring Squid every few seconds
Hey Roee,
The best solution for you case is to use a network namespace Router between the squid instance to the actual modem interface.
You can attach each modem to a network namespace and leave squid to do it’s thing with a static IP address.
All The Bests,
Eliezer
----
Eliezer Croitoru
NgTech, Tech Support
Mobile: +972-5-28704261
Email: ngtech1ltd@xxxxxxxxx
From: squid-users <squid-users-bounces@xxxxxxxxxxxxxxxxxxxxx> On Behalf Of roee klinger
Sent: Saturday, March 19, 2022 02:48
To: Squid Users <squid-users@xxxxxxxxxxxxxxxxxxxxx>
Subject: [squid-users] Reconfiguring Squid every few seconds
Hello,
I have a server with multiple 4G modems with Squid running on it, the 4G modems get an internal private IP that is dynamic (unfortunately this can't be changed),
I set up Squid to use the interfaces as follows:
The configuration works well and everything works great, however, whenever I restart one of the modems (I have many, and I restart them a lot), I get a new internal private IP, and I need to reconfigure Squid, this means that I will be running "squid -k reconfigure" multiple times a minute.
Will this have a bad effect on Squid and traffic (I understand this does not cause Squid to restart)? What is my alternative?
Thanks,
Roee
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