Re: [pfSense] Transparent Squid with Multiwan on 2.1.3?

2014-08-03 Thread Yannis Milios
ok I've managed to get it working.
The problem was that except from 2 Gateways I had also defined 2 additional
gateways (not for internet) and associated static routes to them.
Deleting  and putting them below wan1 and wan2 did the trick.

thank you for your help!
Yannis

Sent by mobile
On Aug 2, 2014 10:46 PM, compdoc comp...@hotrodpc.com wrote:

  With Squid disabled, fail over works as expected.



 In the lab I created to test this machine, I have squid with havp set to
 transparent. Also have snort. I don’t use squidguard.



 If I disconnect wan #1, most browsers will time out. But I can often just
 refresh to get them going again. Squid never complains.



 There are a couple of remote clients and programs that have to be closed
 and then opened again after the gateway fails. (maybe because they cache
 something?)



 I'm pretty happy with it.





 (49) Can't assign requested address



 What is your client connecting to? Is it some sort of secure remote
 session? A disconnect cannot be avoided with any type of secure connection.
 You're changing external ip addresses when it falls over, after all.



 Are you able to recover normal connections to google or youtube, etc.?
 Close the browser and try again after waiting for the switch to happen.



 There are settings for how long it takes pfSense to decide a gateway is
 down, and how it determines its down. I use just 'packet loss'.







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Re: [pfSense] Transparent Squid with Multiwan on 2.1.3?

2014-08-02 Thread compdoc
 With Squid disabled, fail over works as expected.

 

In the lab I created to test this machine, I have squid with havp set to 
transparent. Also have snort. I don’t use squidguard. 

 

If I disconnect wan #1, most browsers will time out. But I can often just 
refresh to get them going again. Squid never complains.

 

There are a couple of remote clients and programs that have to be closed and 
then opened again after the gateway fails. (maybe because they cache 
something?) 

 

I'm pretty happy with it.

 

 

(49) Can't assign requested address

 

What is your client connecting to? Is it some sort of secure remote session? A 
disconnect cannot be avoided with any type of secure connection. You're 
changing external ip addresses when it falls over, after all.

 

Are you able to recover normal connections to google or youtube, etc.? Close 
the browser and try again after waiting for the switch to happen. 

 

There are settings for how long it takes pfSense to decide a gateway is down, 
and how it determines its down. I use just 'packet loss'.

 

 

 

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[pfSense] Transparent Squid with Multiwan on 2.1.3?

2014-08-01 Thread Yannis Milios
Hello,

I have pfSense 2.1.3 with 2 Wan links + 1 Lan.
I have squid+squidguard packages  installed.
Squid is working in transparent mode.
Is there a way to make Squid redirect http connections on Wan2 in case Wan1
is down?
I am mainly interested in failover and not so in loadbalancing http
connections.

thank you
Yannis
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Re: [pfSense] Transparent Squid with Multiwan on 2.1.3?

2014-08-01 Thread Nishant Sharma


On 1 August 2014 8:00:54 pm IST, compdoc comp...@hotrodpc.com wrote:
 Is there a way to make Squid redirect http connections on Wan2 in
case Wan1 is down?


It is simple. Squid sends traffic through the default gateway without any 
specific configuration.

Just enable 'Default Gateway Switching' in System - Advanced Settings and you 
are good to go.

Regards,
Nishant
-- 
Sent from my Android device with K-9 Mail. Please excuse my brevity.
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Re: [pfSense] Transparent Squid with Multiwan on 2.1.3?

2014-08-01 Thread Yannis Milios
Tried that option but it does not seem to work.
When I disconnect wan1 I get the following error on clients browser:

Connection to Failed
The system returned:

(49) Can't assign requested address

With Squid disabled, fail over works as expected.
Maybe Squid is using a different mechanism to handle gateways?

I read different kinds of posts on forum about this issue.
There are people suggesting creating Floating rules, inserting
tcp_outgoing_address 127.0.0.1 on Squid configuration, but none of them
seem to work.

Yannis Milios

Systems Administrator
Mob. +30 6932-657-029
Tel.   +30 211-800-1230
E-mail. yannis.mil...@gmail.com





On Fri, Aug 1, 2014 at 5:48 PM, Nishant Sharma codemarau...@gmail.com
wrote:



 On 1 August 2014 8:00:54 pm IST, compdoc comp...@hotrodpc.com wrote:
  Is there a way to make Squid redirect http connections on Wan2 in
 case Wan1 is down?


 It is simple. Squid sends traffic through the default gateway without any
 specific configuration.

 Just enable 'Default Gateway Switching' in System - Advanced Settings and
 you are good to go.

 Regards,
 Nishant
 --
 Sent from my Android device with K-9 Mail. Please excuse my brevity.
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