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How to specify IPv6 link-local bind address in smb.conf?
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Planned maintenance scheduled April 23, 2019 at 23:30 UTC (7:30pm US/Eastern)ubuntu karmic 9.10 samba share problemSamba upgrade from 3.0 to 3.6 broke my ADS authenticationHow do I bind to a specific link local IPv6 address other than the default?Delete link local IPv6 address alone from my machineTomcat & Java not listening on IPv6IPv6 link-local multicast vs. IPv4 broadcastSpecify interface for IPv6 host on link-local connection inside an URLIpv6: Are Link-Local adresses static?Spontaneous IPv6 DNS server with link-local addressAutoconfigure link-local IPv6 address on GRE tunnel in Linux
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Using samba 4.1.17-Debian I have tried the following smb.conf entries to bind samba to the link-local ipv6 addresses
interfaces = fe80::d270:36a5:ac03:37ea%br0 fe80::/10 ::1
bind interfaces only = yes
but checking with netstat only shows smbd listening on ::1
The manual states that besides interface names addresses or address+mask can be specified, so I would expect either approach to work.
Updated config:
# ip addr show dev br0 | grep -c fe80
1
# smb.conf
bind interfaces only = yes
interfaces = 192.168.0.0/16 ::1 127.0.0.1 fe80::%br0/64
# smbd --version
Version 4.5.12-Debian
# netstat -lnp | grep smb
tcp 0 0 192.168.0.3:139 0.0.0.0:* LISTEN 17048/smbd
tcp 0 0 127.0.0.1:139 0.0.0.0:* LISTEN 17048/smbd
tcp 0 0 192.168.0.3:445 0.0.0.0:* LISTEN 17048/smbd
tcp 0 0 127.0.0.1:445 0.0.0.0:* LISTEN 17048/smbd
tcp6 0 0 ::1:139 :::* LISTEN 17048/smbd
tcp6 0 0 ::1:445 :::* LISTEN 17048/smbd
samba ipv6
asked Jan 21 '16 at 5:37
the8472the8472
347113
add a comment |
Using samba 4.1.17-Debian I have tried the following smb.conf entries to bind samba to the link-local ipv6 addresses
interfaces = fe80::d270:36a5:ac03:37ea%br0 fe80::/10 ::1
bind interfaces only = yes
but checking with netstat only shows smbd listening on ::1
The manual states that besides interface names addresses or address+mask can be specified, so I would expect either approach to work.
Updated config:
# ip addr show dev br0 | grep -c fe80
1
# smb.conf
bind interfaces only = yes
interfaces = 192.168.0.0/16 ::1 127.0.0.1 fe80::%br0/64
# smbd --version
Version 4.5.12-Debian
# netstat -lnp | grep smb
tcp 0 0 192.168.0.3:139 0.0.0.0:* LISTEN 17048/smbd
tcp 0 0 127.0.0.1:139 0.0.0.0:* LISTEN 17048/smbd
tcp 0 0 192.168.0.3:445 0.0.0.0:* LISTEN 17048/smbd
tcp 0 0 127.0.0.1:445 0.0.0.0:* LISTEN 17048/smbd
tcp6 0 0 ::1:139 :::* LISTEN 17048/smbd
tcp6 0 0 ::1:445 :::* LISTEN 17048/smbd
samba ipv6
asked Jan 21 '16 at 5:37
the8472the8472
347113
Wouldn't it be enough to specifybr0in that case? Binding to a specific address sounds like it could cause problems.
– grawity
Jan 21 '16 at 6:07
br0 also has other addresses on which I don't want to provide smb, among them global unicast v6
– the8472
Jan 21 '16 at 6:21
add a comment |
Using samba 4.1.17-Debian I have tried the following smb.conf entries to bind samba to the link-local ipv6 addresses
interfaces = fe80::d270:36a5:ac03:37ea%br0 fe80::/10 ::1
bind interfaces only = yes
but checking with netstat only shows smbd listening on ::1
The manual states that besides interface names addresses or address+mask can be specified, so I would expect either approach to work.
Updated config:
# ip addr show dev br0 | grep -c fe80
1
# smb.conf
bind interfaces only = yes
interfaces = 192.168.0.0/16 ::1 127.0.0.1 fe80::%br0/64
# smbd --version
Version 4.5.12-Debian
# netstat -lnp | grep smb
tcp 0 0 192.168.0.3:139 0.0.0.0:* LISTEN 17048/smbd
tcp 0 0 127.0.0.1:139 0.0.0.0:* LISTEN 17048/smbd
tcp 0 0 192.168.0.3:445 0.0.0.0:* LISTEN 17048/smbd
tcp 0 0 127.0.0.1:445 0.0.0.0:* LISTEN 17048/smbd
tcp6 0 0 ::1:139 :::* LISTEN 17048/smbd
tcp6 0 0 ::1:445 :::* LISTEN 17048/smbd
samba ipv6
asked Jan 21 '16 at 5:37
the8472the8472
347113
Using samba 4.1.17-Debian I have tried the following smb.conf entries to bind samba to the link-local ipv6 addresses
interfaces = fe80::d270:36a5:ac03:37ea%br0 fe80::/10 ::1
bind interfaces only = yes
but checking with netstat only shows smbd listening on ::1
The manual states that besides interface names addresses or address+mask can be specified, so I would expect either approach to work.
Updated config:
# ip addr show dev br0 | grep -c fe80
1
# smb.conf
bind interfaces only = yes
interfaces = 192.168.0.0/16 ::1 127.0.0.1 fe80::%br0/64
# smbd --version
Version 4.5.12-Debian
# netstat -lnp | grep smb
tcp 0 0 192.168.0.3:139 0.0.0.0:* LISTEN 17048/smbd
tcp 0 0 127.0.0.1:139 0.0.0.0:* LISTEN 17048/smbd
tcp 0 0 192.168.0.3:445 0.0.0.0:* LISTEN 17048/smbd
tcp 0 0 127.0.0.1:445 0.0.0.0:* LISTEN 17048/smbd
tcp6 0 0 ::1:139 :::* LISTEN 17048/smbd
tcp6 0 0 ::1:445 :::* LISTEN 17048/smbd
samba ipv6
samba ipv6
asked Jan 21 '16 at 5:37
the8472the8472
347113
asked Jan 21 '16 at 5:37
the8472the8472
347113
edited Mar 3 '18 at 19:47
the8472
asked Jan 21 '16 at 5:37
the8472the8472
347113
asked Jan 21 '16 at 5:37
the8472the8472
347113
asked Jan 21 '16 at 5:37
the8472the8472
347113
347113
Wouldn't it be enough to specifybr0in that case? Binding to a specific address sounds like it could cause problems.
– grawity
Jan 21 '16 at 6:07
br0 also has other addresses on which I don't want to provide smb, among them global unicast v6
– the8472
Jan 21 '16 at 6:21
add a comment |
Wouldn't it be enough to specifybr0in that case? Binding to a specific address sounds like it could cause problems.
– grawity
Jan 21 '16 at 6:07
br0 also has other addresses on which I don't want to provide smb, among them global unicast v6
– the8472
Jan 21 '16 at 6:21
Wouldn't it be enough to specify
br0 in that case? Binding to a specific address sounds like it could cause problems.– grawity
Jan 21 '16 at 6:07
Wouldn't it be enough to specify
br0 in that case? Binding to a specific address sounds like it could cause problems.– grawity
Jan 21 '16 at 6:07
br0 also has other addresses on which I don't want to provide smb, among them global unicast v6
– the8472
Jan 21 '16 at 6:21
br0 also has other addresses on which I don't want to provide smb, among them global unicast v6
– the8472
Jan 21 '16 at 6:21
add a comment |
2 Answers
2
active
oldest
votes
After hours of struggling, try, error and reading source code.
Everything works well but you have to specify correctly.
When using IPv6 LinkLocal addresses you have to specify the interface with the "%" notation AND the prefix length in the end.
Interfaces = {Full-IPv6-address}%{interface}/{prefix length}
smb.conf (SAMPLE):
interfaces = fe80::114%eth0/64
answered Feb 24 '18 at 21:42
Martha GottsumpfMartha Gottsumpf
563
I have tried that, it doesn't work for me. I'll update my question.
– the8472
Mar 3 '18 at 19:29
"fe80::%br0/64" will not work --> you have to specify the whole link local address. For example: fe80::d270:36a5:ac03:37ea%br0/64
– Martha Gottsumpf
Mar 4 '18 at 22:48
Isn't the point of netmasks in the configuration that you can specify a mask and it will pick any address falling within that mask? It works for the v4 private addresses at least. But you're right, that works, so I'll accept that answer although I'd have preferred a more generic solution.
– the8472
Mar 5 '18 at 20:25
1
@the8472 Isn't the point of netmasks in the configuration that you can specify a mask and it will pick any address falling within that mask? I'm with you. I tried the same. Maybe we should ask the Samba team.
– Martha Gottsumpf
Mar 8 '18 at 9:10
add a comment |
The best way to deal with IPv6 is not to use link local adresses but unique local instead.
Looks like "bind interfaces only" option makes IPv6 link local address not listened even if correctly written in smb.conf
I've tested successfully the use of IPv6 unique local address on debian linux and windows 10 to exchange files via samba from a linux server to a windows workstation.
In my configuration, the unique local address have been manualy configured in debian and windows so the SLAAC is still working to provide global IPv6 address. No need to use DHCPv6 to use this type of address.
answered 6 hours ago
wanouwanou
1
New contributor
wanou is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |
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2 Answers
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oldest
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2 Answers
2
active
oldest
votes
active
oldest
votes
active
oldest
votes
After hours of struggling, try, error and reading source code.
Everything works well but you have to specify correctly.
When using IPv6 LinkLocal addresses you have to specify the interface with the "%" notation AND the prefix length in the end.
Interfaces = {Full-IPv6-address}%{interface}/{prefix length}
smb.conf (SAMPLE):
interfaces = fe80::114%eth0/64
answered Feb 24 '18 at 21:42
Martha GottsumpfMartha Gottsumpf
563
I have tried that, it doesn't work for me. I'll update my question.
– the8472
Mar 3 '18 at 19:29
"fe80::%br0/64" will not work --> you have to specify the whole link local address. For example: fe80::d270:36a5:ac03:37ea%br0/64
– Martha Gottsumpf
Mar 4 '18 at 22:48
Isn't the point of netmasks in the configuration that you can specify a mask and it will pick any address falling within that mask? It works for the v4 private addresses at least. But you're right, that works, so I'll accept that answer although I'd have preferred a more generic solution.
– the8472
Mar 5 '18 at 20:25
1
@the8472 Isn't the point of netmasks in the configuration that you can specify a mask and it will pick any address falling within that mask? I'm with you. I tried the same. Maybe we should ask the Samba team.
– Martha Gottsumpf
Mar 8 '18 at 9:10
add a comment |
After hours of struggling, try, error and reading source code.
Everything works well but you have to specify correctly.
When using IPv6 LinkLocal addresses you have to specify the interface with the "%" notation AND the prefix length in the end.
Interfaces = {Full-IPv6-address}%{interface}/{prefix length}
smb.conf (SAMPLE):
interfaces = fe80::114%eth0/64
answered Feb 24 '18 at 21:42
Martha GottsumpfMartha Gottsumpf
563
I have tried that, it doesn't work for me. I'll update my question.
– the8472
Mar 3 '18 at 19:29
"fe80::%br0/64" will not work --> you have to specify the whole link local address. For example: fe80::d270:36a5:ac03:37ea%br0/64
– Martha Gottsumpf
Mar 4 '18 at 22:48
Isn't the point of netmasks in the configuration that you can specify a mask and it will pick any address falling within that mask? It works for the v4 private addresses at least. But you're right, that works, so I'll accept that answer although I'd have preferred a more generic solution.
– the8472
Mar 5 '18 at 20:25
1
@the8472 Isn't the point of netmasks in the configuration that you can specify a mask and it will pick any address falling within that mask? I'm with you. I tried the same. Maybe we should ask the Samba team.
– Martha Gottsumpf
Mar 8 '18 at 9:10
add a comment |
After hours of struggling, try, error and reading source code.
Everything works well but you have to specify correctly.
When using IPv6 LinkLocal addresses you have to specify the interface with the "%" notation AND the prefix length in the end.
Interfaces = {Full-IPv6-address}%{interface}/{prefix length}
smb.conf (SAMPLE):
interfaces = fe80::114%eth0/64
answered Feb 24 '18 at 21:42
Martha GottsumpfMartha Gottsumpf
563
After hours of struggling, try, error and reading source code.
Everything works well but you have to specify correctly.
When using IPv6 LinkLocal addresses you have to specify the interface with the "%" notation AND the prefix length in the end.
Interfaces = {Full-IPv6-address}%{interface}/{prefix length}
smb.conf (SAMPLE):
interfaces = fe80::114%eth0/64
answered Feb 24 '18 at 21:42
Martha GottsumpfMartha Gottsumpf
563
edited Mar 5 '18 at 8:03
answered Feb 24 '18 at 21:42
Martha GottsumpfMartha Gottsumpf
563
answered Feb 24 '18 at 21:42
Martha GottsumpfMartha Gottsumpf
563
answered Feb 24 '18 at 21:42
Martha GottsumpfMartha Gottsumpf
563
563
I have tried that, it doesn't work for me. I'll update my question.
– the8472
Mar 3 '18 at 19:29
"fe80::%br0/64" will not work --> you have to specify the whole link local address. For example: fe80::d270:36a5:ac03:37ea%br0/64
– Martha Gottsumpf
Mar 4 '18 at 22:48
Isn't the point of netmasks in the configuration that you can specify a mask and it will pick any address falling within that mask? It works for the v4 private addresses at least. But you're right, that works, so I'll accept that answer although I'd have preferred a more generic solution.
– the8472
Mar 5 '18 at 20:25
1
@the8472 Isn't the point of netmasks in the configuration that you can specify a mask and it will pick any address falling within that mask? I'm with you. I tried the same. Maybe we should ask the Samba team.
– Martha Gottsumpf
Mar 8 '18 at 9:10
add a comment |
I have tried that, it doesn't work for me. I'll update my question.
– the8472
Mar 3 '18 at 19:29
"fe80::%br0/64" will not work --> you have to specify the whole link local address. For example: fe80::d270:36a5:ac03:37ea%br0/64
– Martha Gottsumpf
Mar 4 '18 at 22:48
Isn't the point of netmasks in the configuration that you can specify a mask and it will pick any address falling within that mask? It works for the v4 private addresses at least. But you're right, that works, so I'll accept that answer although I'd have preferred a more generic solution.
– the8472
Mar 5 '18 at 20:25
1
@the8472 Isn't the point of netmasks in the configuration that you can specify a mask and it will pick any address falling within that mask? I'm with you. I tried the same. Maybe we should ask the Samba team.
– Martha Gottsumpf
Mar 8 '18 at 9:10
I have tried that, it doesn't work for me. I'll update my question.
– the8472
Mar 3 '18 at 19:29
I have tried that, it doesn't work for me. I'll update my question.
– the8472
Mar 3 '18 at 19:29
"fe80::%br0/64" will not work --> you have to specify the whole link local address. For example: fe80::d270:36a5:ac03:37ea%br0/64
– Martha Gottsumpf
Mar 4 '18 at 22:48
"fe80::%br0/64" will not work --> you have to specify the whole link local address. For example: fe80::d270:36a5:ac03:37ea%br0/64
– Martha Gottsumpf
Mar 4 '18 at 22:48
Isn't the point of netmasks in the configuration that you can specify a mask and it will pick any address falling within that mask? It works for the v4 private addresses at least. But you're right, that works, so I'll accept that answer although I'd have preferred a more generic solution.
– the8472
Mar 5 '18 at 20:25
Isn't the point of netmasks in the configuration that you can specify a mask and it will pick any address falling within that mask? It works for the v4 private addresses at least. But you're right, that works, so I'll accept that answer although I'd have preferred a more generic solution.
– the8472
Mar 5 '18 at 20:25
1
1
@the8472 Isn't the point of netmasks in the configuration that you can specify a mask and it will pick any address falling within that mask? I'm with you. I tried the same. Maybe we should ask the Samba team.
– Martha Gottsumpf
Mar 8 '18 at 9:10
@the8472 Isn't the point of netmasks in the configuration that you can specify a mask and it will pick any address falling within that mask? I'm with you. I tried the same. Maybe we should ask the Samba team.
– Martha Gottsumpf
Mar 8 '18 at 9:10
add a comment |
The best way to deal with IPv6 is not to use link local adresses but unique local instead.
Looks like "bind interfaces only" option makes IPv6 link local address not listened even if correctly written in smb.conf
I've tested successfully the use of IPv6 unique local address on debian linux and windows 10 to exchange files via samba from a linux server to a windows workstation.
In my configuration, the unique local address have been manualy configured in debian and windows so the SLAAC is still working to provide global IPv6 address. No need to use DHCPv6 to use this type of address.
answered 6 hours ago
wanouwanou
1
New contributor
wanou is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |
The best way to deal with IPv6 is not to use link local adresses but unique local instead.
Looks like "bind interfaces only" option makes IPv6 link local address not listened even if correctly written in smb.conf
I've tested successfully the use of IPv6 unique local address on debian linux and windows 10 to exchange files via samba from a linux server to a windows workstation.
In my configuration, the unique local address have been manualy configured in debian and windows so the SLAAC is still working to provide global IPv6 address. No need to use DHCPv6 to use this type of address.
answered 6 hours ago
wanouwanou
1
New contributor
wanou is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |
The best way to deal with IPv6 is not to use link local adresses but unique local instead.
Looks like "bind interfaces only" option makes IPv6 link local address not listened even if correctly written in smb.conf
I've tested successfully the use of IPv6 unique local address on debian linux and windows 10 to exchange files via samba from a linux server to a windows workstation.
In my configuration, the unique local address have been manualy configured in debian and windows so the SLAAC is still working to provide global IPv6 address. No need to use DHCPv6 to use this type of address.
answered 6 hours ago
wanouwanou
1
New contributor
wanou is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
The best way to deal with IPv6 is not to use link local adresses but unique local instead.
Looks like "bind interfaces only" option makes IPv6 link local address not listened even if correctly written in smb.conf
I've tested successfully the use of IPv6 unique local address on debian linux and windows 10 to exchange files via samba from a linux server to a windows workstation.
In my configuration, the unique local address have been manualy configured in debian and windows so the SLAAC is still working to provide global IPv6 address. No need to use DHCPv6 to use this type of address.
answered 6 hours ago
wanouwanou
1
New contributor
wanou is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
answered 6 hours ago
wanouwanou
1
New contributor
wanou is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
answered 6 hours ago
wanouwanou
1
answered 6 hours ago
wanouwanou
1
1
New contributor
wanou is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
New contributor
wanou is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
wanou is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
add a comment |
add a comment |
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Wouldn't it be enough to specify
br0in that case? Binding to a specific address sounds like it could cause problems.– grawity
Jan 21 '16 at 6:07
br0 also has other addresses on which I don't want to provide smb, among them global unicast v6
– the8472
Jan 21 '16 at 6:21