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<p class="MsoNormal"><span lang="EN-US">Dear Squid Support Team,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Hope you are everything well.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">I meet a strange issue and hope you could give some suggestions.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span lang="EN-US" style="font-size:11.0pt">Background:<o:p></o:p></span></b></p>
<p class="MsoNormal"><span lang="EN-US">I am using squid as a proxy to register my SUSE EC2 Instance in AWS. I installed squid in Amazon Linux 2023 and just modify /etc/squid/squid.conf file "http_access deny all" to "http_access allow all".
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">After that , I set the enviroment in SUSE Instance(172.31.45.49 is Squid instance):<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> env | grep proxy<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> https_proxy=http://172.31.45.49:3128<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> http_proxy=http://172.31.45.49:3128<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> no_proxy=169.254.169.254<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">When I tried to register SUSE instance with command "registercloudguest --force-new", got the following error(/var/log/cloudregister):<o:p></o:p></span></p>
<p class="MsoNormal"><i><span lang="EN-US">===================================================================================================================<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span lang="EN-US">2025-06-05 05:23:34,418 ERROR: Registration failed: Registering system to registration proxy https://smt-ec2.susecloud.net<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span lang="EN-US"><o:p> </o:p></span></i></p>
<p class="MsoNormal"><i><span lang="EN-US">Updating system details on https://smt-ec2.susecloud.net ...<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span lang="EN-US"><o:p> </o:p></span></i></p>
<p class="MsoNormal"><i><span lang="EN-US">Activating sle-module-web-scripting 15.5 x86_64 ...<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span lang="EN-US">-> Adding service to system ...<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span lang="EN-US">command '/usr/bin/zypper --non-interactive refs Web_and_Scripting_Module_x86_64' failed<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span lang="EN-US">Error: zypper returned 1 with 'Unexpected exception.<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span lang="EN-US">Unknown error reading from 'plugin:/susecloud?credentials=Web_and_Scripting_Module_x86_64&path=/services/2494'<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span lang="EN-US">History:<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span lang="EN-US">- Not ready to read within timeout.<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span lang="EN-US"><o:p> </o:p></span></i></p>
<p class="MsoNormal"><i><span lang="EN-US">Please file a bug report about this.<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span lang="EN-US">See http://en.opensuse.org/Zypper/Troubleshooting for instructions.' (exit status 1)<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span lang="EN-US">===================================================================================================================<o:p></o:p></span></i></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span lang="EN-US" style="font-size:11.0pt">Action taken:<o:p></o:p></span></b></p>
<p class="MsoNormal"><span lang="EN-US">I found there are lots of strange log when I register SUSE as below(/var/log/squid/access.log):<o:p></o:p></span></p>
<p class="MsoNormal"><i><span lang="EN-US">===================================================================================================================<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span lang="EN-US">1749103351.951 3 172.31.47.207 TCP_DENIED/403 3804 CONNECT 0.0.10.40:1 - HIER_NONE/- text/html<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span lang="EN-US">1749103366.975 4 172.31.47.207 TCP_DENIED/403 3802 CONNECT 0.0.9.96:7 - HIER_NONE/- text/html<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span lang="EN-US">1749103375.466 59932 172.31.47.207 TCP_TUNNEL/503 0 CONNECT 0.0.9.102:443 - HIER_DIRECT/0.0.9.102 -<o:p></o:p></span></i></p>
<p class="MsoNormal"><i><span lang="EN-US">===================================================================================================================<o:p></o:p></span></i></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">After I edited the config file(/etc/squid/squid.conf) and add the following:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> acl invalid_dst dst 0.0.0.0/8 <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> http_access deny invalid_dst<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">I could register SUSE without any error.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">When I access Amazon S3 using squid instance, there is no any strange IP in the access log.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">I checked /etc/hosts and no any information of "0.0.0.0/8"<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span lang="EN-US" style="font-size:11.0pt">Action Required:<o:p></o:p></span></b></p>
<p class="MsoNormal"><span lang="EN-US">Do you know why squid forward request to 0.0.0.0/8?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Thank you!<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Best Regards<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Yang Chao<o:p></o:p></span></p>
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