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Re: Transparent Squid Proxy Server

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Hi,

I changed the iptables still no luck :( but I am using squid 3.3 only can I didn't understand why you have configured 3129 ,3130 and 3128 port?

On Wed, Jun 3, 2015 at 1:04 PM, Klavs Klavsen <kl@xxxxxxx> wrote:
Your client needs to use your squid server as default gateway.

And then you need the iptables rules I wrote about to direct traffic into squid for certain ports.

Reet Vyas wrote on 06/03/2015 08:50 AM:
Hi

Thanks for reply. As of now we don't have router I have directly
connected my machine to internet and other to LAN and I have configured
client machine ubuntu to test squid which is in switch where other users
are connected using gateway of router 192.168.0.1.

I read your valuable suggestions, but I still confused with IPtables and
squid 3.3 setting ,transparent and intercept options .

root@squid:/home/squid#   ip addr show
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN
group default
     link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
     inet 127.0.0.1/8 <http://127.0.0.1/8> scope host lo
        valid_lft forever preferred_lft forever
     inet6 ::1/128 scope host
        valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast
state UP group default qlen 1000
     link/ether 00:1e:67:cf:59:74 brd ff:ff:ff:ff:ff:ff
     inet 116.72.*.*/22 brd 116.72.155.255 scope global eth0
        valid_lft forever preferred_lft forever
     inet6 fe80::21e:67ff:fecf:5974/64 scope link
        valid_lft forever preferred_lft forever
3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast
state UP group default qlen 1000
     link/ether 00:1e:67:cf:59:75 brd ff:ff:ff:ff:ff:ff
     inet 192.168.0.200/24 <http://192.168.0.200/24> brd 192.168.0.255
scope global eth1
        valid_lft forever preferred_lft forever
     inet6 fe80::21e:67ff:fecf:5975/64 scope link
        valid_lft forever preferred_lft forever

root@squid:/home/squid#  ip -4 route show
default via 116.72.152.1 dev eth0
116.72.152.0/22 <http://116.72.152.0/22> dev eth0  proto kernel  scope
link  src 116.72.152.37
192.168.0.0/24 <http://192.168.0.0/24> dev eth1  proto kernel  scope
link  src 192.168.0.200





To use transparent/intercept what I have to set in my config file
http_port 3128 intercept or transparent

and Iptables rules , I have tried this rules

http://wiki.squid-cache.org/ConfigExamples/Intercept/LinuxRedirect

But not working

Can you please tell me the firewall rules and let me know why my
firewall rules are not working.

On Tue, Jun 2, 2015 at 8:14 PM, Klavs Klavsen <kl@xxxxxxx
<mailto:kl@xxxxxxx>> wrote:

    Amos Jeffries wrote on 06/02/2015 04:34 PM:

        On 3/06/2015 1:20 a.m., Klavs Klavsen wrote:

            I have this in my squid server for it to work:


        The key words there are ... *in my Squid server*

    indeed :)


        NOTE to Klavs:
            loading the "multiport" kernel module seems overkill for a
        single-port
        match.

    it's puppets firewall module.. haven't had enough time to fix that
    module :)


        FYI: DONT_VERIFY_PEER, "always_direct allow all", and
        "slproxy_cert_error allow all" have not been good ideas since 3.2.
        dont-verify actually inhibits the Mimic functions which give
        server-first bumping most of its usefulness.

    Thank you for those tips.

    --
    Regards,
    Klavs Klavsen, GSEC - kl@xxxxxxx <mailto:kl@xxxxxxx> -
    http://www.vsen.dk - Tlf. 61281200

    "Those who do not understand Unix are condemned to reinvent it, poorly."
       --Henry Spencer

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    squid-users mailing list
    squid-users@xxxxxxxxxxxxxxxxxxxxx
    <mailto:squid-users@xxxxxxxxxxxxxxxxxxxxx>
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--
Regards,
Klavs Klavsen, GSEC - kl@xxxxxxx - http://www.vsen.dk - Tlf. 61281200

"Those who do not understand Unix are condemned to reinvent it, poorly."
  --Henry Spencer

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