[GH-ISSUE #4547] Support --net=ipv6-only-bridge. #2701

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opened 2026-05-05 09:21:55 -06:00 by gitea-mirror · 1 comment
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Originally created by @crocket on GitHub (Sep 15, 2021).
Original GitHub issue: https://github.com/netblue30/firejail/issues/4547

--net=bridge doesn't work if the bridge doesn't have an IPv4 address.

I run radvd on the bridge so that firejail can fetch an IPv6 address through SLAAC.

Can firejail create an IPv6 address without radvd?

Originally created by @crocket on GitHub (Sep 15, 2021). Original GitHub issue: https://github.com/netblue30/firejail/issues/4547 `--net=bridge` doesn't work if the bridge doesn't have an IPv4 address. I run radvd on the bridge so that firejail can fetch an IPv6 address through SLAAC. Can firejail create an IPv6 address without radvd?
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networking
labels 2026-05-05 09:21:55 -06:00
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@voidzero commented on GitHub (Dec 8, 2023):

@netblue30 this issue is maybe even larger than the topic suggests. I have a bridge configured on the host, with multiple containers - I just don't have given it an IP address on the host. But that should be ok. I want a firejail to connect to an IP address on another container via the bridge. Can't we get rid of this requirement that the bridge must have an IP?

<!-- gh-comment-id:1847158842 --> @voidzero commented on GitHub (Dec 8, 2023): @netblue30 this issue is maybe even larger than the topic suggests. I have a bridge configured on the host, with multiple containers - I just don't have given it an IP address on the host. But that should be ok. I want a firejail to connect to an IP address on another container via the bridge. Can't we get rid of this requirement that the bridge must have an IP?
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Reference: github-starred/firejail#2701
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