Super User
Super User

Questions tagged [ip6tables]

11 questions
1
vote
0 answers

How to redirect local connection to my things in IPv6 on linux?

With IPv4 I can make some program connect to my service instead of where it wants using REDIRECT and DNAT targets in OUTPUT chain in iptables (sometimes combined with -m owner) In IPv6 hovewer I don't see these things. The only related thing I see…
Vi.
  • 17,755
1
vote
1 answer

Ip6tables DNAT on openwrt is not working

I configure ipv6 dnat using ip6tables on my openwrt router: ip6tables -t nat -I PREROUTING -p udp --dport 5100 -j DNAT --to-destination fdca:3aae:fe2e::1:53 # fdca:3aae:fe2e::1 is my router address Then testing it on other linux server by dig like…
Bing
  • 21
  • 2
1
vote
1 answer

Can't access some websites using IPv6 tunnel from LAN

My router (running Ubuntu Linux) is dual-stack, dual ethernet. The router's WAN interface is configured with IPv4 PPPoE to my ISP. Hurricane Electric gives me an IPv6 tunnel which is working on the router. The router's LAN interface is connected to…
Fela Maslen
  • 449
0
votes
0 answers

ip6tables with K26 std-nokaid-small firmware for my WNR2000 version 1 router?

I am looking at the K26 std-nokaid-small firmware for my WNR2000 (v1) router. It is supposed to support IPv6, but is ip6tables (or other IPv6 compatible firewall) included in the image? dd-wrt.v24-21061_NEWD-2_K2.6_std_nokaid_small.bin Or can I…
JohnyTex
  • 347
0
votes
0 answers

Ipv6 6in4 forwarding

I successfully setup 6in4 ipv6 tunnel to enable ipv6 connectivity at home using a remote linux box with a /64. The connectivity works well between the two host, but not with internet. Here is my setup: Linux box eth0: 2001:470:XXXX:XXXX::1 Linux box…
louis8831
  • 21
0
votes
1 answer

ip6tables - create a set of IPv6 address to block

I'm using ipset for containing and matching a sets of IPv4 and it works great! I tried to do the same with IPv6 addresses and ran with errors. I have a IPv6.cidr file that contains IPv6 addresses and a subnet…
iTaMaR
  • 103
0
votes
1 answer

Ip6tables prefix subnet

I have a rule in iptables v4 that block prerouting from this IP: 224.0.0.0/3 What is IP6 address equivalent? I used this website http://www.gestioip.net/cgi-bin/subnet_calculator.cgi It says "6to4 prefix": 2002:e000:0000::/48 - Is this 224.0.0.0/3…
user1251775
0
votes
2 answers

How to tell if my fedora 23 server is accepting ipv6 traffic?

Short story: How can I tell if my fedora 23 server is accepting ipv6 traffic? Longer story: I want to block external traffic to port 9000 on my godaddy self-managed fedora 23 server. For some reason it doesn't have the expected firewalld (would…
Bruce
  • 161
  • 3
0
votes
0 answers

ip6tables rule is not taken account

I added the following ip6tables rules, the rules allow to block all DNS IPv6 requests containing the sting youtube.com ip6tables -A FORWARD -p udp --dport 53 -m string --domain youtube.com --algo bm -j DROP ip6tables -A INPUT -p udp --dport 53 -m…
Mohamed KALLEL
  • 359
0
votes
1 answer

ip6tables conntrack module does not work

I'm trying to setup my device such that only it may initiate network connections other hosts. I.e, other hosts should not be able to initiate a connection with the device. I've got ipv4 working: root@kp2:/proc/net# iptables -L Chain INPUT (policy…
Sush
  • 101
0
votes
0 answers

ip6tables-restore is failing to remove a rule

I want to block all ipv6 traffic, I have the following rules: -P INPUT DROP -P FORWARD DROP -P OUTPUT DROP -A INPUT -j REJECT --reject-with icmp6-port-unreachable -A OUTPUT -j REJECT --reject-with icmp6-port-unreachable I don't want to reject, I…
sabrina2020
  • 121