[squid-users] squid intercept config

Yuri Voinov yvoinov at gmail.com
Thu Mar 5 15:20:29 UTC 2015


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Hm. No.

We not checked only OS.

Does your BSD really loads PF module?

05.03.15 21:16, Monah Baki пишет:
> Not sure why the client is running old hard/soft ware, could it be
> cause of the hardware? Is FreeBSD an issue, should I switch to
> linux?
> 
> On Thu, Mar 5, 2015 at 10:14 AM, Yuri Voinov <yvoinov at gmail.com>
> wrote:
> 
> Wow, 7600!
> 
> But why is so antique iOS?! Current is 15.4
> 
> 05.03.15 21:09, Monah Baki пишет:
>>>> PORT   STATE SERVICE VERSION 23/tcp open  telnet  Cisco IOS 
>>>> telnetd MAC Address: 88:5A:92:63:77:81 (Cisco) Device type:
>>>> router Running: Cisco IOS 12.X OS CPE:
>>>> cpe:/h:cisco:7600_router cpe:/o:cisco:ios:12.2 OS details:
>>>> Cisco 7600 router (IOS 12.2) Network Distance: 1 hop TCP
>>>> Sequence Prediction: Difficulty=258 (Good luck!) IP ID
>>>> Sequence Generation: Randomized Service Info: OS: IOS;
>>>> Device: switch; CPE: cpe:/o:cisco:ios
>>>> 
>>>> 
>>>> On Thu, Mar 5, 2015 at 9:31 AM, Yuri Voinov
>>>> <yvoinov at gmail.com> wrote:
>>>> 
>>>> What is Cisco model and iOS version?
>>>> 
>>>> 05.03.15 20:25, Monah Baki пишет:
>>>>>>> Yes, correct
>>>>>>> 
>>>>>>> On Thu, Mar 5, 2015 at 9:23 AM, Yuri Voinov 
>>>>>>> <yvoinov at gmail.com> wrote:
>>>>>>> 
>>>>>>> 10.0.0.23 is your host? And 10.0.0.24 is proxy box?
>>>>>>> 
>>>>>>> 05.03.15 20:15, Monah Baki пишет:
>>>>>>>>>> '--prefix=/cache/squid' 
>>>>>>>>>> '--enable-follow-x-forwarded-for'
>>>>>>>>>> '--with-large-files' '--enable-ssl'
>>>>>>>>>> '--disable-ipv6' '--enable-esi' 
>>>>>>>>>> '--enable-kill-parent-hack' '--enable-snmp' 
>>>>>>>>>> '--with-pthreads' '--with-filedescriptors=65535' 
>>>>>>>>>> '--enable-cachemgr-hostname=hostname' 
>>>>>>>>>> '--enable-storeio=ufs,aufs,diskd,rock' 
>>>>>>>>>> '--enable-ipfw-transparent'
>>>>>>>>>> '--enable-pf-transparent' '--with-nat-devpf'
>>>>>>>>>> --enable-ltdl-convenience
>>>>>>>>>> 
>>>>>>>>>> 
>>>>>>>>>> 
>>>>>>>>>> 
>>>>>>>>>> On Thu, Mar 5, 2015 at 9:14 AM, Yuri Voinov 
>>>>>>>>>> <yvoinov at gmail.com> wrote:
>>>>>>>>>> 
>>>>>>>>>> This looking good too.
>>>>>>>>>> 
>>>>>>>>>> Stupid question:
>>>>>>>>>> 
>>>>>>>>>> With witch interception option squid builed?
>>>>>>>>>> 
>>>>>>>>>> I.e, squid -v?
>>>>>>>>>> 
>>>>>>>>>> 05.03.15 18:19, Monah Baki пишет:
>>>>>>>>>>>>> Hi all, can anyone verify if this is
>>>>>>>>>>>>> correct, need to make ure that users will
>>>>>>>>>>>>> be able to access the internet via the
>>>>>>>>>>>>> squid.
>>>>>>>>>>>>> 
>>>>>>>>>>>>> Running FreeBSD with a single interface
>>>>>>>>>>>>> with Squid-3.5.2
>>>>>>>>>>>>> 
>>>>>>>>>>>>> Policy based routing on Cisco with the 
>>>>>>>>>>>>> following:
>>>>>>>>>>>>> 
>>>>>>>>>>>>> 
>>>>>>>>>>>>> interface GigabitEthernet0/0/1.1
>>>>>>>>>>>>> 
>>>>>>>>>>>>> encapsulation dot1Q 1 native
>>>>>>>>>>>>> 
>>>>>>>>>>>>> ip address 10.0.0.9 255.255.255.0
>>>>>>>>>>>>> 
>>>>>>>>>>>>> no ip redirects
>>>>>>>>>>>>> 
>>>>>>>>>>>>> no ip unreachables
>>>>>>>>>>>>> 
>>>>>>>>>>>>> ip nat inside
>>>>>>>>>>>>> 
>>>>>>>>>>>>> standby 1 ip 10.0.0.10
>>>>>>>>>>>>> 
>>>>>>>>>>>>> standby 1 priority 120
>>>>>>>>>>>>> 
>>>>>>>>>>>>> standby 1 preempt
>>>>>>>>>>>>> 
>>>>>>>>>>>>> standby 1 name HSRP
>>>>>>>>>>>>> 
>>>>>>>>>>>>> ip policy route-map CFLOW
>>>>>>>>>>>>> 
>>>>>>>>>>>>> 
>>>>>>>>>>>>> 
>>>>>>>>>>>>> ip access-list extended REDIRECT
>>>>>>>>>>>>> 
>>>>>>>>>>>>> deny   tcp host 10.0.0.24 any eq www
>>>>>>>>>>>>> 
>>>>>>>>>>>>> permit tcp host 10.0.0.23 any eq www
>>>>>>>>>>>>> 
>>>>>>>>>>>>> 
>>>>>>>>>>>>> 
>>>>>>>>>>>>> route-map CFLOW permit 10
>>>>>>>>>>>>> 
>>>>>>>>>>>>> match ip address REDIRECT set ip next-hop 
>>>>>>>>>>>>> 10.0.0.24
>>>>>>>>>>>>> 
>>>>>>>>>>>>> In my /etc/pf.conf rdr pass inet proto tcp
>>>>>>>>>>>>> from 10.0.0.0/8 to any port 80 -> 10.0.0.24
>>>>>>>>>>>>> port 3129
>>>>>>>>>>>>> 
>>>>>>>>>>>>> # block in pass in log quick on bge0 pass
>>>>>>>>>>>>> out log quick on bge0 pass out keep state
>>>>>>>>>>>>> 
>>>>>>>>>>>>> and finally in my squid.conf: http_port
>>>>>>>>>>>>> 3128 http_port 3129 intercept
>>>>>>>>>>>>> 
>>>>>>>>>>>>> 
>>>>>>>>>>>>> 
>>>>>>>>>>>>> And for testing purposes from the squid
>>>>>>>>>>>>> server: ./squidclient -h 10.0.0.24 -p 3128 
>>>>>>>>>>>>> http://www.freebsd.org/
>>>>>>>>>>>>> 
>>>>>>>>>>>>> If I replace -p 3128 with -p 80, I get a
>>>>>>>>>>>>> access denied, and if I omit the -p 3128
>>>>>>>>>>>>> completely, I can access the websites.
>>>>>>>>>>>>> 
>>>>>>>>>>>>> tcpdump with (-p 3128)
>>>>>>>>>>>>> 
>>>>>>>>>>>>> 13:15:02.681106 IP ISN-PHC-CACHE.44017 > 
>>>>>>>>>>>>> wfe0.ysv.freebsd.org.http: Flags [.], ack
>>>>>>>>>>>>> 17377, win 1018, options [nop,nop,TS val
>>>>>>>>>>>>> 985588797 ecr 1054387720], length 0
>>>>>>>>>>>>> 13:15:02.681421 IP 
>>>>>>>>>>>>> wfe0.ysv.freebsd.org.http >
>>>>>>>>>>>>> ISN-PHC-CACHE.44017: Flags [.], seq
>>>>>>>>>>>>> 17377:18825, ack 289, win 1040, options
>>>>>>>>>>>>> [nop,nop,TS val 1054387720 ecr 985588501],
>>>>>>>>>>>>> length 1448 13:15:02.681575 IP 
>>>>>>>>>>>>> wfe0.ysv.freebsd.org.http >
>>>>>>>>>>>>> ISN-PHC-CACHE.44017: Flags [.], seq
>>>>>>>>>>>>> 18825:20273, ack 289, win 1040, options
>>>>>>>>>>>>> [nop,nop,TS val 1054387720 ecr 985588501],
>>>>>>>>>>>>> length 1448
>>>>>>>>>>>>> 
>>>>>>>>>>>>> 
>>>>>>>>>>>>> 
>>>>>>>>>>>>> Did I miss anything?
>>>>>>>>>>>>> 
>>>>>>>>>>>>> Thanks Monah
>>>>>>>>>>>>> 
>>>>>>>>>>>>> 
>>>>>>>>>>>>> 
>>>>>>>>>>>>> _______________________________________________
>>>>>>>>>>>>>
>>>>>>>>>>>>> 
squid-users mailing list
>>>>>>>>>>>>> squid-users at lists.squid-cache.org 
>>>>>>>>>>>>> http://lists.squid-cache.org/listinfo/squid-users
>>>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>>>
>
>>>>>>>>>>>>> 
_______________________________________________
>>>>>>>>>>> squid-users mailing list 
>>>>>>>>>>> squid-users at lists.squid-cache.org 
>>>>>>>>>>> http://lists.squid-cache.org/listinfo/squid-users
>>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>
>>>>
>>
>
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