Questions tagged [ip6tables]
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21 questions
0 votes
1 answer
208 views
Linux Mint 22 Cinnamon desktop not showing after installing iptables-persistent package (policy DROP)
I just installed Linux Mint 22 Cinnamon for the second time in one week, really frustrating. Reason being that after I have set up almost everything same as in Linux Mint 21.3 Cinnamon in a couple ...
- 31.3k
0 votes
1 answer
438 views
Meaning of fields in ip6tables logs
I am parsing ufw logs, and running into limitations with the documentation that I am able to find for the ip6tables entries for ufw. This very nice blog post describes the iptables format well, but ...
- 3
6 votes
1 answer
1k views
Why do we need to have an ip6tables rule for DHCP6 to work? (by contrast, IPv4 does not require any)
Why do we need to have an ip6tables rule for DHCP6? (IPv4 does not require it by contrast) Here's minimal IPv4 rules written by me, you see no special DHCPv4 (Wikipedia) rule: IPv4: iptables --list-...
- 31.3k
0 votes
2 answers
5k views
how to check whether an ipset was hooked up to iptables
My iptables output looks like this: Chain INPUT (policy ACCEPT) num target prot opt source destination 1 DROP all -- 0.0.0.0/0 0.0.0.0/0 ...
- 203
5 votes
1 answer
7k views
ip6table-restore failed in Debian buster/sid
I have the below iptable rule in /etc/iptables/rule.V6 and /etc/iptables/rule.V4 -4 -A INPUT -p icmp -j ACCEPT -6 -A INPUT -p ipv6-icmp -j ACCEPT when I tried to restart the netfilter-persistent, it ...
- 189
13 votes
2 answers
15k views
What are the essential iptables rules for IPv6 to work properly?
I had a problem where I lost connectivity to a server on the IPv6 address after some time and it turned out to be caused by DHCPv6 client packets (port 546) being dropped by the default INPUT policy ...
- 1,013
1 vote
1 answer
3k views
Help with IPv6 rules and ip6tables
Right now I'm trying to figure out how to set up some IPv6 rules on a server of mine. My requirements are to disallow input echo-requests to the loopback device and local IP addresses (in this case, ...
- 13
3 votes
1 answer
2k views
How to convert iptables rules to ip6tables rules?
I am running a cloud service on my Raspberry Pi 3 and want to access it also from outside. Unfortunately, my ISP does not allow me to forward ports (this is another story) therefore I sometimes also ...
- 51