This is the output.
I think, the iptables dont send the packets the 8081 port. I dont see information on squid and dansguardian access.log
Chain PREROUTING (policy ACCEPT 2 packets, 307 bytes)
pkts bytes target prot opt in out source destination
0 0 REDIRECT tcp -- * * 0.0.0.0/0 0.0.0.0/0 tcp dpt:80 redir ports 8081
Chain POSTROUTING (policy ACCEPT 0 packets, 0 bytes)
pkts bytes target prot opt in out source destination
Chain OUTPUT (policy ACCEPT 0 packets, 0 bytes)
pkts bytes target prot opt in out source destination
