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<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US">Hello Uchenna,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US">May be this policy based routing with Mikrotik tutorial will be of any use<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US">See <a href="https://docs.diladele.com/tutorials/mikrotik_transparent_squid/index.html">
https://docs.diladele.com/tutorials/mikrotik_transparent_squid/index.html</a><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US">Best regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US">Rafael Akchurin<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US">Diladele B.V.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span lang="EN-US">From:</span></b><span lang="EN-US"> squid-users <squid-users-bounces@lists.squid-cache.org>
<b>On Behalf Of </b>Uchenna Nebedum<br>
<b>Sent:</b> Friday, 19 October 2018 18:42<br>
<b>To:</b> squid-users@lists.squid-cache.org<br>
<b>Subject:</b> [squid-users] ERROR: NAT/TPROXY lookup failed to locate original IPs on local<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Good Day All,<o:p></o:p></p>
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<p class="MsoNormal">i'm new to squid and i have configured squid as an http transparent proxy with a mikrotik.<o:p></o:p></p>
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<p class="MsoNormal">the squid server has only a single NIC, so i followed a tutorial and set up a dst-nat to squid proxy for traffic on port 80,
<o:p></o:p></p>
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<p class="MsoNormal">Chain:dstnat. <o:p></o:p></p>
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<p class="MsoNormal">Protocol:tcp<o:p></o:p></p>
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<p class="MsoNormal">Dst-port:80 <o:p></o:p></p>
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<p class="MsoNormal">Action:dst-nat<o:p></o:p></p>
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<p class="MsoNormal">To Addresses:192.168.2.2 (squid proxy)<o:p></o:p></p>
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<p class="MsoNormal">To ports:8080<o:p></o:p></p>
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<p class="MsoNormal">but after setup, only https traffic works correctly,<o:p></o:p></p>
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<p class="MsoNormal">http traffic client error is "This page isn't working ERR_EMPTY_RESPONSE"<o:p></o:p></p>
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<p class="MsoNormal">squid access.log is empty then in squid cache.log these are the errors<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">```<o:p></o:p></p>
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<p class="MsoNormal">2018/10/19 17:08:54 kid1| ERROR: NF getsockopt(ORIGINAL_DST) failed on local=<a href="http://192.168.2.2:8080">192.168.2.2:8080</a> remote=<a href="http://192.168.1.254:41248">192.168.1.254:41248</a> FD 10 flags=33: (92) Protocol not available<br>
2018/10/19 17:08:54 kid1| ERROR: NAT/TPROXY lookup failed to locate original IPs on local=<a href="http://192.168.2.2:8080">192.168.2.2:8080</a> remote=<a href="http://192.168.1.254:41248">192.168.1.254:41248</a> FD 10 flags=33<o:p></o:p></p>
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<p class="MsoNormal">```<o:p></o:p></p>
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<p class="MsoNormal">please find below my squid.conf contents<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">```<o:p></o:p></p>
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<p class="MsoNormal">acl localnet src <a href="http://192.168.1.0/24">192.168.1.0/24</a>
<br>
acl SSL_ports port 443<br>
acl Safe_ports port 80 <br>
acl Safe_ports port 21 <br>
acl Safe_ports port 443 <br>
acl Safe_ports port 70 <br>
acl Safe_ports port 210 <br>
acl Safe_ports port 1025-65535 <br>
acl Safe_ports port 280 <br>
acl Safe_ports port 488 <br>
acl Safe_ports port 591 <br>
acl Safe_ports port 777 <br>
acl CONNECT method CONNECT<br>
icap_enable off<br>
icap_service service_req reqmod_precache 1 icap://<a href="http://127.0.0.1:1344/REQMOD">127.0.0.1:1344/REQMOD</a><br>
adaptation_service_set class_req service_req<br>
adaptation_access class_req allow all<br>
icap_service service_resp respmod_precache 0 icap://<a href="http://127.0.0.1:1344/RESPMOD">127.0.0.1:1344/RESPMOD</a><br>
adaptation_service_set class_resp service_resp<br>
adaptation_access class_resp allow all<br>
http_access deny !Safe_ports<br>
http_access deny CONNECT !SSL_ports<br>
http_access allow localhost manager<br>
http_access deny manager<br>
http_access deny to_localhost<br>
http_access allow localnet<br>
http_access allow localhost<br>
http_access allow all<br>
http_port 3128<br>
http_port 8080 transparent<br>
access_log daemon:/var/log/squid/access.log squid<br>
coredump_dir /var/spool/squid<br>
refresh_pattern ^ftp: 1440 20% 10080<br>
refresh_pattern ^gopher: 1440 0% 1440<br>
refresh_pattern -i (/cgi-bin/|\?) 0 0% 0<br>
refresh_pattern (Release|Packages(.gz)*)$ 0 20% 2880<br>
refresh_pattern . 0 20% 4320<o:p></o:p></p>
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<p class="MsoNormal">```<o:p></o:p></p>
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<p class="MsoNormal">please any help or correction would be highly appreciated, i am not even sure if the approach is correct.<o:p></o:p></p>
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<p class="MsoNormal"><br>
-- <o:p></o:p></p>
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<p class="MsoNormal">Nebedum Uchenna<o:p></o:p></p>
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