Re: [squid-users] Redirect to specific parent depends on URL

Mr Crack wrote:
> On 12/17/07, Amos Jeffries <squid3@treenet.co.nz> wrote:
>>> Dear All,
>>> I have two ISPs and I'd to redirect to parent based on URL. See my
>>> situation below.
>>>
>>> / ISPA (eth0) e.g. 1.1.1.1 (same
>>> proxies of ISPA) (ADSL 512 Kbps)
>>> LAN eth3--->LinuxBox--|-- ISPA (eth1) e.g. 1.2.1.1 (same proxies of
>>> ISPA) (ADSL 256 Kbps)
>>> \ ISPB (eth2) e.g. 1.3.1.1
>>> (ADSL 512 Kbps but not stable)
>>> My cache configuration is as show below
>>> cache_peer ISPA_Proxy1 parent 8080 3130 no-query
>>> cache_peer ISPA_Proxy2 parent 8080 3130 no-query
>>> cache_peer ISPA_Proxy3 parent 8080 3130 no-query
>>> cache_peer ISPA_Proxy3 parent 8080 3130 no-query
>>>
>>> cache_peer ISPB_Proxy1 parent 8080 3130 no-query
>>> cache_peer ISPB_Proxy1 parent 8080 3130 no-query
>>>
>>> Here is what I want to do.
>>> 1. I want to balance load evenly to both ADSL connection to ISPA.
>>> They have same proxy parents.
>>> If it is not possible to balance evenly, I'd to set 512 Kbps
>>> connection as default and when it fill load, then redirect to 256 Kbps
>>> ADSL
>> Depends on how your squid was built. You fail to say which version and
>> release you are talking about.
>> Look up the cache_peer options, several of them are for load balancing.
>> You want one of the weighted algorithms, probably carp.
>>
>> http:/www.squid-cache.org/Versions/v2/2.6/cache_peer.html
>>
>>> 2. Some sites are banned by ISPA but ISPB allow. And also some sites
>>> banned by ISPB is allow by ISPA.
>>> This is the reason why I use two ISP
>>> So, I want to redirect banned site of ISPA to ISPB. For e.g.
>>> Metacafe is banned by ISPB and I want to redirecto ISPA
>> cache_peer_access
>>
>> http:/www.squid-cache.org/Versions/v2/2.6/cache_peer_access.html
>>
>> I'm assuming you are one of the multitude on squid2.6 since you don't say.
>>
>>> Any suggestion is highly appricated.....?
>>>
>>> Mr. Crack007
>>>
>> Amos
>>
>>
>>
> I am using RedHat Enterprise Linux Version 3 and below is my squid
> version and compiled info
> ============>
> root# squid -v
> Squid Cache: Version 2.5.STABLE3
> configure options: --host=i386-redhat-linux --build=i386-redhat-linux
> --target=i386-redhat-linux-gnu --program-prefix= --prefix=/usr
> --exec-prefix=/usr --bindir=/usr/bin --sbindir=/usr/sbin
> --sysconfdir=/etc --datadir=/usr/share --includedir=/usr/include
> --libdir=/usr/lib --libexecdir=/usr/libexec --localstatedir=/var
> --sharedstatedir=/usr/com --mandir=/usr/share/man
> --infodir=/usr/share/info --exec_prefix=/usr --bindir=/usr/sbin
> --libexecdir=/usr/lib/squid --localstatedir=/var
> --sysconfdir=/etc/squid --enable-poll --enable-snmp
> --enable-removal-policies=heap,lru
> --enable-storeio=aufs,coss,diskd,null,ufs --enable-ssl
> --with-openssl=/usr/kerberos --enable-delay-pools
> --enable-linux-netfilter --with-pthreads
> --enable-basic-auth-helpers=LDAP,NCSA,PAM,SMB,SASL,MSNT,winbind
> --enable-ntlm-auth-helpers=SMB,winbind,fakeauth
> --enable-external-acl-helpers=ip_user,ldap_group,unix_group,wbinfo_group,winbind_group
> --enable-auth=basic,ntlm --enable-useragent-log --enable-referer-log
> ==================>
> I will also take a look at CARP
>
> Mr. Crack007

Uh Oh. carp is not available in 2.5 apparently.

You should move up to 2.6STABLE17 if at all possible for many reasons.
If you can't build it yourself, IIRC the FC rpm for squid also works on
RedHat and should be at least a release of 2.6.

Amos

-- 
Please use Squid 2.6STABLE17 or 3.0STABLE1.
There are serious security advisories out on all earlier releases.