Squid3 - New GUI with sync, normal and reverse proxy

marcelloc · Sep 26, 2012, 6:11 PM

@namek:

I am using this mainly for content filtering/caching/logging…

squid3 has some new features on it's gui too, check it on a test machine first.

marcelloc · Sep 27, 2012, 7:23 PM

@namek:

Oh yes, one the features I found was 'patch captive portal' - which I believe that if the users are on a proxy they will not be able to bypass captive portal?

yes. I did it based on some topics on this forum with problems on using captive and squid.

@namek:

And ofcourse there are more features..are many users using this in production? as you have marked it as "Beta"
another striking feature are the realtime logs integrated in the GUI itself. So i believe that somewhat eliminates the need of using the 'realtime' feature of both sarg and lightsquid…

The realtime tab on squid3 package is to help debug access while using squid and squidguard.

TyperX · Oct 1, 2012, 3:40 AM

Hi all, i have install squid3 package and just use standard config, squid reverse not config yet. After install i have problem to access banking website and got error msg from squid Unable to determine IP address from host name "www.cimbclicks.com.my". How can i solve this problem? Below my squid config.

# This file is automatically generated by pfSense
# Do not edit manually !
http_port 192.168.10.1:3128
http_port 127.0.0.1:3128 intercept
icp_port 7
dns_v4_first on
pid_filename /var/run/squid.pid
cache_effective_user proxy
cache_effective_group proxy
error_default_language English
icon_directory /usr/local/etc/squid/icons
visible_hostname localhost
cache_mgr ikhwans@kbc.com.my
access_log /var/squid/logs/access.log
cache_log /var/squid/logs/cache.log
cache_store_log none
sslcrtd_children 0
logfile_rotate 0
shutdown_lifetime 3 seconds
# Allow local network(s) on interface(s)
acl localnet src  192.168.10.0/24
uri_whitespace strip

acl dynamic urlpath_regex cgi-bin ?
cache deny dynamic
cache_mem 32 MB
maximum_object_size_in_memory 64 KB
memory_replacement_policy heap GDSF
cache_replacement_policy heap LFUDA
cache_dir ufs /var/squid/cache 1000 16 256
minimum_object_size 0 KB
maximum_object_size 4 KB
offline_mode offcache_swap_low 90
cache_swap_high 95

# No redirector configured

#Remote proxies

# Setup some default acls
acl allsrc src all
acl localhost src 127.0.0.1/32
acl safeports port 21 70 80 210 280 443 488 563 591 631 777 901 8888 3128 1025-65535 
acl sslports port 443 563 8888 
acl manager proto cache_object
acl purge method PURGE
acl connect method CONNECT

http_access allow manager localhost

# Allow external cache managers
acl ext_manager src 127.0.0.1
acl ext_manager src 192.168.10.1
acl ext_manager src 
http_access allow manager ext_manager

http_access deny manager
http_access allow purge localhost
http_access deny purge
http_access deny !safeports
http_access deny CONNECT !sslports

# Always allow localhost connections
http_access allow localhost

request_body_max_size 0 KB
delay_pools 1
delay_class 1 2
delay_parameters 1 -1/-1 -1/-1
delay_initial_bucket_level 100
delay_access 1 allow allsrc

# Reverse Proxy settings

# Package Integration
redirect_program /usr/local/bin/squidGuard -c /usr/local/etc/squidGuard/squidGuard.conf
redirector_bypass on
redirect_children 3

# Custom options

# Setup allowed acls
# Allow local network(s) on interface(s)
http_access allow localnet
# Default block all to be sure
http_access deny allsrc

marcelloc · Oct 1, 2012, 4:47 AM

Dns v4 first turned on was the latest workaround for this https issue.

Did you tried to stop and start squid after this change?

TyperX · Oct 1, 2012, 5:44 AM

It's working now, i have restart the pfsense. Thanks for the help ;D

Nachtfalke · Oct 6, 2012, 10:51 PM

Hi,

short question:
Is squid3 completly ready fpr pfsense 2.1 ?
It installs and it starts on pfsense 2.1 but there are some errors on systemlog because of the wrong path "/usr/local/etc/".

Further in the squid.inc there is no code to differentiate between pfsense 2.0.x and 2.1.
Did I miss something or does the squid3 package need some more work to be ready for 2.1?

Thank you :-)

marcelloc · Oct 8, 2012, 1:33 PM

@Nachtfalke:

It installs and it starts on pfsense 2.1 but there are some errors on systemlog because of the wrong path "/usr/local/etc/".

I've committed a folder check right now, check and feedback :)

Nachtfalke · Oct 8, 2012, 6:13 PM

@marcelloc:

@Nachtfalke:

It installs and it starts on pfsense 2.1 but there are some errors on systemlog because of the wrong path "/usr/local/etc/".

I've committed a folder check right now, check and feedback :)

Your commit fixed squid3 on pfsense 2.1 and it broke squidguard on 2.1 ;-)
SquigdGuard does not make any decision on pfsense version. But it seems that only "squidguard_configurator.inc" need to be changed but not "squidguard.inc".

Hmm, perhaps I should post this on this thread:
http://forum.pfsense.org/index.php/topic,50603.0.html

For curiosity squid3 and squidguard are marked as "working"…

Anyway - thanks for that fix on your package :)

nesense · Oct 10, 2012, 9:22 AM

Hi, I've been trying to get this package to work since it first appeared, I always get the same problem, it doesn't seem to cache any content, not in memory nor in HDD, I'm using NanoBSD, I always get TCP_MISS/200 on content that should be cached, is anyone facing this too? please help, its the only thing stopping me from using this great package, same settings work fine with squid 2.7x. I've posted about this here a couple of times but never got a reply :(

podilarius · Oct 10, 2012, 10:02 AM

I didn't think you could run squid in the Nano builds. Do you have to have an extra drive for the cache?

nesense · Oct 10, 2012, 10:59 AM

yes i use a separated CF for caching

marcelloc · Oct 10, 2012, 11:33 AM

try to uncheck dynamic content like YouTube cache option and see if it starts caching

nesense · Oct 10, 2012, 11:42 AM

Yes! disabling dynamic content caching fixed it. Thank you marcelloc, but honestly its the only reason I want squid 3 ;D

marcelloc · Oct 10, 2012, 11:52 AM

It needs some improvements, current dynamic cache rules are based on squid wiki.

nesense · Oct 10, 2012, 11:57 AM

there is an unofficial package called lusca for pfsense that worked fine with caching dynamic content, but it hasn't been updated for a while, maybe taking examples from it can help? http://code.google.com/p/pfsense-cacheboy/wiki/Pfsense_Lusca Lusca is a squid 2 fork though. thanks again!

quetzalcoatl · Oct 22, 2012, 10:13 PM

@nesense:

there is an unofficial package called lusca for pfsense that worked fine with caching dynamic content, but it hasn't been updated for a while, maybe taking examples from it can help? http://code.google.com/p/pfsense-cacheboy/wiki/Pfsense_Lusca Lusca is a squid 2 fork though. thanks again!

nesense! i love you!
Thanks for reminding them about lusca!!!!!

I did notice that (very sadly) lusca did not get any updates for a very long time.
In fact it's still based on an older 2.7 branch of Squid.

I believe that Squid is easily the best web cache but it´s never as aggressive as Lusca which is almost the same.
It is true that the latest versions of Squid are getting more aggressive but i don´t think it´s reaching the Lusca performance.

Another problem with both Squid and Lusca is that it doesn't support partial file caching so big files need to be downloaded over and over and are not cached if the is a network disconnection, something really common in unreliable wireless connections.

I noticed that worse web caches already have partial file caching while squid, being among the best, if not the best, still doesn't have this feature.

Also i don´t like how squid messes up with load balancing. I have to use 2 machines, 1 with a load balancing squid and another with a caching squid because if i do load balancing and web caching in the same machine, it will end using only 1 wan even if i set the other wan with the maximum weight. Squid always uses the default gateway. And if you have no default gateway or both are default gateways, squid begins doing weird stuff….

quetzalcoatl · Oct 22, 2012, 10:24 PM

Something else that i´m not sure of is maximum object size in RAM.
Since i have a 32 Gigabyte RAM system, I dedicate at least 25 Gigs for Squid only and the rest of RAM for the PFSense system
To make sure that RAM is filled with useful objects i set the maximum object size in ram as 4 Megabytes.

I´m not sure about the limits because in squid documents they always talk about minimum (0) and default which is a ridiculous (32kb) if i'm not wrong.

So i wonder if squid can properly work with a maximum object size in RAM of 4096kb.

Also, when the system is restarted, are those smaller than 4096kb objects reloaded from the Disk? or no objects is ever saved in the disk if smaller than maximum RAM object size?

I would like to have squid cache saving absolutely everything cacheable inside the disk and then after a system restart reload all cached objects smaller than maximum RAM object size back into the RAM at each restart.

Maybe squid already does something like that but if not, i think that COSS (cyclic object storage system) already does it.

Lusca can optionally support COSS but they say it's not very reliable even if sometimes it's even faster than squid's "aufs"

Nachtfalke · Oct 23, 2012, 7:31 AM

@quetzalcoatl

1.) To use squid in LoadBalancing /MultiWAN you just have to do additional configuration. There are many forum posts about that and how to configure that.

RAM is more a kind of "cache" so that squid does not have to access the HDD too much. After reboot the RAM will be empty. The RAM will be filled again automatically with files which are most requested by users of the proxy.

My setting an intention is as following:
The minimum file size must be 128kb. I do not want to cache smaller files because getting them from cache will ber perhaps not much faster than downloading them (depending on your WAN connection).
The maximum object size in RAM is 512kb. Caching many small files on HDD will cause many read/write accesses on HDD which cost time so I will cache small files in my RAM which is very fast.
The maximum object size is 1GB because I want to cache windows updates and so on but I do not want to have a ServicePack in my RAM which wasts much space and will not be needed so often.

As memory replacement policy I use:


Heap GDSF: Greedy-Dual Size Frequency - The Heap GDSF policy optimizes object-hit rate by keeping smaller, popular objects in cache. It achieves a lower byte hit rate than LFUDA though, since it evicts larger (possibly popular) objects.

As disk cache replacement I use:


Heap LFUDA: Least Frequently Used with Dynamic Aging - The Heap LFUDA policy keeps popular objects in cache regardless of their size and thus optimizes byte hit rate at the expense of hit rate since one large, popular object will prevent many smaller, slightly less popular objects from being cached.

quetzalcoatl · Oct 23, 2012, 4:04 PM

Nachtfalke

Thanks for your reply

Those settings that you are using are very efficient and are very similar to what i use. But it think they can be improved a little:
RAM is still faster than any WAN even for very small files, so i see no reason to limit the minimum object size in RAM setting it above 0KB.

If you have a big hard drive you can have a maximum object size in Disk bigger than 1 GB.
I actually keep the maximum object size to 9999 Megabytes so if a user downloads a double layer dvd, it will still be there for anyone to re-download it at huge LAN speeds.
This is good when you are using a Terabyte or bigger hard drive dedicated to squid.

I did notice that RAM gets filled slowly after the system is restarted, but it would be great to have it filled quickly with a synchronous cache backup done in the hard drive.
But that may be too complicated. Some other caches actually do this.

Also, i saw in other forum posts here about the load balancing with squid but many are still complaining about having only one WAN used when squid service is active.
I found a post that had a way to make squid work with both WANS and it did work but it crashed squid several times a week.

That is why i´m using two machines, one with pfsense with pppoe wan connections(to make wan connection faster than router), load balancing and failover but without squid,
and a second machine with pfsense and just squid cache service.

Nachtfalke · Oct 30, 2012, 4:29 PM

Hi,

can someone help me with that:
http://www.squid-cache.org/Doc/config/accept_filter/


2012/10/30 17:27:44| Installing accept filter 'httpready' on FD 359
2012/10/30 17:27:44| SO_ACCEPTFILTER 'httpready': (2) No such file or directory

I enabled this on my squid.conf


accept_filter httpready

Is this possible with pfsense (kernel) and squid2 or squid3 ?

Thank you!