Hello,
I've finally pinpointed the cause. It is my IPV6 iptables rules at
fault. Once I changed the INPUT policy from DROP to Accept, everything
works as expected! what a waste of so many hours! Thank you all
Hello,
It could be that squid doesn't like some of my packages(I'm not sure
which one). I installed the following packages:
strongswan,nrpe, nagios-plugins
I also tweaked some kernel settings
net.ipv4.ip_forward = 1
net.ipv4.ip_local_port_range = 10000 61000
net.ipv4.tcp_max_syn_backlog = 8192
net.ipv4.tcp_tw_reuse = 1
net.ipv4.tcp_max_tw_buckets = 5000
fs.file-max = 65536
net.core.rmem_max = 67108864
net.core.wmem_max = 67108864
net.ipv4.tcp_rmem = 4096 87380 67108864
net.ipv4.tcp_wmem = 4096 65536 67108864
net.core.netdev_max_backlog = 250000
net.ipv4.tcp_mtu_probing = 1
net.core.default_qdisc = fq
net.ipv4.tcp_congestion_control = bbr
I couldn't win her heart back even if I rolled back all these settings
and removed the packages.
I'm willing to pay if someone can help me resolve this issue
Thank you!
Hello,
It looks like that if I start installing it right after OS
installation, it works. But not if I install any packages, for
example, make, gcc,strongswan and so on. once it stop working, it
will not work anymore even if I remove all aforementioned packages.
reboot also doesn't help. I also tried it on Debian 11. no luck
either! it only works in old ubuntu 16
I can be 100% sure that squid is not listening on any TCP ports.
running these commands looks fine
Thanks for your being patient and kind
root@host8d66c97880:~# netcat -v -l -4 34568
Listening on 0.0.0.0 34568
^C
root@host8d66c97880:~# netcat -v -l -6 34568
Listening on :: 34568
I configured it to listen on 34568
netcat -v -l -6 4444
netcat -v -l -4 4444
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