IRC chat logs for #ltsp on irc.freenode.net (webchat)


Channel log from 17 July 2017   (all times are UTC)

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10:56
<tarzeau>
nbd-server doesn't support tcp wrappers / inetd mode?
10:57
it seems to be utterly broken on amd64 with the built-in support for nbd-server.allow
10:57
i'm thinking about making iptables or nftables rules
11:00
ldd /bin/nbd-server doesn't show libwrap ...
11:00
(debian/ubuntu versions)
11:01
which are required if /etc/hosts.allow|denied is to be used
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11:28
<alkisg>
man nbd-server => port The port the server should listen to. A valid port is any number between 1 and 65536; if 0 is used, nbd-server will listen on stdin (so that nbd-server can be ran from inetd)
11:30
<tarzeau>
i see. so either i use it via inetd (configuring port 0 for it), or i use iptables/nftables to restrict access to it
11:52
<alkisg>
Or have 2 nics
11:53
One for the internal ltsp subnet, and one for facing whatever public networks you have
11:53
I'm assuming that you have a public ip, and that's why you're worried about the read-only image?
11:56
Also, if the allow file isn't working, you should file a bug against nbd
11:56
!nbd-bug
11:56
<ltsp`>
Error: "nbd-bug" is not a valid command.
11:57
<alkisg>
!learn nbd-bug To file a bug report against nbd, go to https://github.com/NetworkBlockDevice/nbd
11:57
<ltsp`>
(learn [<channel>] <key> as <value>) -- Associates <key> with <value>. <channel> is only necessary if the message isn't sent on the channel itself. The word 'as' is necessary to separate the key from the value. It can be changed to another word via the learnSeparator registry value.
11:57
<alkisg>
!learn nbd-bug as To file a bug report against nbd, go to https://github.com/NetworkBlockDevice/nbd
11:57
<ltsp`>
The operation succeeded.
11:59
<alkisg>
From what the issues page there says, authfile should work fine, except for ipv4 to ipv6 mapped addresses
12:23
<tarzeau>
alkisg: ack to public ip
12:23
i found similar bug reports at bugs.debian.org already
12:23
but they are related to single ip hosts in the file without the /32 workaround
12:23
and i have several networks i'm serving, so a 2nd nic is not really the solution. so i'll just setup iptables (and it's two ltsp server hosts)
12:24
authfile should work fine except for ipv4 to ipv6 mapped addresses?
12:24
i've just ipv4 address ranges
12:24
and the server denies access to the listed ones in the .allow file
12:24
it's braindead
12:25
i've tried network/shortsubnet or longsubnetmask and i've got 4 networks
12:25
and it's denied to all of them
12:26
<alkisg>
tarzeau: if it's not working for you, file a bug report in nbd
12:26
Things can't get fixed if they're not reported
12:26
Or, you just might be doing something wrong
12:27
Or, whatever fixes may be there in newer nbd versions
12:27
The nbd devs will tell you. The ltsp devs don't know.
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12:52
<tarzeau>
alkisg: ok thanks, that's true
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14:40
<server^server-Vi>
bom dia
14:41
alguém??
14:42
oi
14:42
tem alguem??
14:42
please
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17:18
<AndresFelipeMaru>
Good afternoon
17:18
Can someone help me with an appointment?
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