Hi Eliezer, thanks for you reply.
I'm marking and routing traffic to port 80 from my lan's 192.168.110.0/24
(Work!) and 192.168.115.0/24 (Fail!). The mark line in Mangle is:
add action=mark-connection chain=prerouting comment="TCP 80: Tr\E1fico HTTP
de\
sde la red WIFI. Se marca la conexi\F3n para QoS y Policy Routing.
Ser\E1 \
routeado hacia Proxy03" !connection-bytes !connection-limit \
connection-mark=no-mark !connection-nat-state !connection-rate \
!connection-state !connection-type !content disabled=no !dscp \
!dst-address !dst-address-list !dst-address-type !dst-limit dst-port=80
\
!fragment !hotspot !icmp-options !in-bridge-port in-interface=eth4-wifi
\
!ingress-priority !ipsec-policy !ipv4-options !layer7-protocol !limit \
log=no log-prefix="" new-connection-mark=conn_proxy !nth
!out-bridge-port \
!out-interface !p2p !packet-mark !packet-size passthrough=yes \
!per-connection-classifier !port !priority protocol=tcp !psd !random \
!routing-mark !routing-table src-address=192.168.115.0/24
!src-address-list \
!src-address-type !src-mac-address !src-port !tcp-flags !tcp-mss !time \
!ttl
The packet mark and route lines:
add action=mark-packet chain=prerouting comment=\
"TCP 80: Se marca el paquete para Queue Tree (Up)" !connection-bytes \
!connection-limit connection-mark=conn_proxy !connection-nat-state \
!connection-rate !connection-state !connection-type !content
disabled=no \
!dscp !dst-address !dst-address-list !dst-address-type !dst-limit \
!dst-port !fragment !hotspot !icmp-options !in-bridge-port
!in-interface \
!ingress-priority !ipsec-policy !ipv4-options !layer7-protocol !limit \
log=no log-prefix="" new-packet-mark=up_tcp_80_pkt !nth
!out-bridge-port \
!out-interface !p2p !packet-mark !packet-size passthrough=yes \
!per-connection-classifier !port !priority !protocol !psd !random \
!routing-mark !routing-table !src-address !src-address-list \
!src-address-type !src-mac-address !src-port !tcp-flags !tcp-mss time=\
0s-1d,sun,mon,tue,wed,thu,fri,sat !ttl
add action=mark-routing chain=prerouting comment=\
"TCP 80: Se ejecuta el Policy Routing hacia Proxy03" !connection-bytes \
!connection-limit !connection-mark !connection-nat-state
!connection-rate \
!connection-state !connection-type !content disabled=no !dscp \
!dst-address dst-address-list=!clientslist !dst-address-type !dst-limit
\
!dst-port !fragment !hotspot !icmp-options !in-bridge-port
!in-interface \
!ingress-priority !ipsec-policy !ipv4-options !layer7-protocol !limit \
log=no log-prefix="" new-routing-mark=route_toproxy03 !nth \
!out-bridge-port !out-interface !p2p packet-mark=up_tcp_80_pkt \
!packet-size passthrough=no !per-connection-classifier !port !priority \
!protocol !psd !random !routing-mark !routing-table !src-address \
!src-address-list !src-address-type !src-mac-address !src-port
!tcp-flags \
!tcp-mss !time !ttl
Thanks
On Thu, Jul 20, 2017 at 2:11 PM, Eliezer Croitoru <elie...@ngtech.co.il>
wrote:
> Hey Pablo,
>
> I am working as a tech support for MikroTik devices and the tcpdump dumps
> are leaving couple things unknown.
> Can you share the MikroTik rules PBR rules you are using?
> Are you using any kind of connection marking and tracking in the mix or
> just plain source based routing?
> I am pretty sure that the issue is in the reverse path and not backwards.
> If you can export your MikroTik configuration I might be able to try and
> help you find the right rules if these are wrong.
> Also make sure that the squid box has reverse path filtering disabled
> using:
> http://wiki.squid-cache.org/EliezerCroitoru/Drafts/MwanLB#
> Set_Reverse_Path_Filter_machine_globally_script
>
> And also take a peek at:
> http://wiki.squid-cache.org/ConfigExamples/UbuntuTproxy4Wccp2#Linux_and_
> Squid_Configuration
>
> I planned to add into the wiki an article\tutorial how to setup squid with
> MikroTik since there are more than a dozen of articles\tutorials that just
> do not do it the right way.
>
> Eliezer
>
> * you can send me the configuration privately if these are sensitive
>
> ----
> http://ngtech.co.il/lmgtfy/
> Linux System Administrator
> Mobile: +972-5-28704261
> Email: elie...@ngtech.co.il
>
>
> From: squid-users [mailto:squid-users-boun...@lists.squid-cache.org] On
> Behalf Of Pablo Ruben Maldonado
> Sent: Thursday, July 20, 2017 16:41
> To: squid-users@lists.squid-cache.org
> Subject: Re: [squid-users] Squid box for two networks
>
> The packets are routing using a mark and later routing rules inside my
> principal router (Mikrotik). Attach images with examples of packets
> arriving to Squid box.
>
> On Thu, Jul 20, 2017 at 10:27 AM, Antony Stone <mailto:Antony.Stone@squid.
> open.source.it> wrote:
> On Thursday 20 July 2017 at 14:08:27, Pablo Ruben Maldonado wrote:
>
> > Hi, i add information missing in original post. Thanks for assistance:
> >
> > The Squid Box has setup for Intercept Mode. Iptables rules here:
> >
> > -A PREROUTING -p tcp -m tcp --dport 80 -j REDIRECT --to-ports 3128
> > -A PREROUTING -p tcp -m tcp --dport 443 -j REDIRECT --to-ports 3129
>
> How are you routing the packets from the firewall to Squid?
>
> > The config paste in https://pastebin.com/Witg3cG1
> >
> > Thanks
> >
> > On Mon, Jul 17, 2017 at 5:31 PM, Pablo Ruben Maldonado <
> >
> > mailto:pablo.ruben.maldon...@gmail.com> wrote:
> > > Hello, I have a squid box 3.5 working without problems for the lan
> > > http://192.168.110.0/24 for several months. Now I want setup to
> another lan
> > > http://192.168.115.0/24 but I cannot. Tcpdump inform me that the
> packages come
> > > to squid box. But in Squid's log I do not see anything. Can they give
> me
> > > some tip?
>
> Can you give us any examples of packets as seen by tcpdump on the Squid
> box:
>
> a) from http://192.168.110.0/24
>
> b) from http://192.168.115.0/24
>
>
> Antony.
>
> --
> BASIC is to computer languages what Roman numerals are to arithmetic.
>
> Please reply to the
> list;
> please *don't* CC
> me.
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>
>
>
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