Applicable to:
- SolusVM
Symptoms
-
IPv6 connection does not work in VPS on SolusVM OpenVZ 7 node:
# ping6 ipv6.google.com
PING ipv6.google.com(mia09s02-in-x0e.1e100.net) 56 data bytes
From 2001:db8:f61:a1ff:0:0:0:80:: icmp_seq=1 Destination unreachable: Administratively prohibited
From 2001:db8:f61:a1ff:0:0:0:80:: icmp_seq=2 Destination unreachable: Administratively prohibited
Cause
Default RHEL 7 ip6tables configuration that blocks IPv6 forwarding and inbound connections.
Resolution
-
Access affected OpenVZ 7 node via SSH.
-
Remove ip6tables rules that prevents connections:
# ip6tables -D FORWARD -j REJECT --reject-with icmp6-adm-prohibited
# ip6tables -D INPUT -j REJECT --reject-with icmp6-adm-prohibited
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