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List:       proftpd-users
Subject:    [Proftpd-user] Proftpd 1.3.1 Segmentation Fault when using <Class
From:       Luca Maranzano <liuk001 () gmail ! com>
Date:       2009-12-31 16:36:13
Message-ID: 68559cef0912310836m588da7e5h18e88d601d44fd9b () mail ! gmail ! com
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Hi all,

I'm using ProFTPD version 1.3.1 on Ubuntu 8.04 Server 64 bit.

I'm facing a nasty problem when using the <Class ...> statement. I need it
to limit the access for certain users from only the intranet.

If I put the following lines in proftpd.conf:

<Class intranet>
>From 192.168.0.0/16
</Class>

then after the daemon restarts I get a Segmentation Fault when trying to
connect.

>From syslog:
[339314.648490] proftpd[23399]: segfault at 10 rip 7f2475606080 rsp
7fff38dbc778 error 4

If I put instead something like:

<Class intranet>
>From 192.168.0.0
</Class>

I don't get a Segmentation Fault, but the ACL is obviously wrong. Indeed I
need something like this:
<Class intranet>
>From 192.168.0.0/16
>From 10.0.0.0/8
>From 172.16.0.0/12
</Class>

In all cases if I run "proftpd -t" the syntax is correct.

Any idea?
TIA.
Cheers,
Luca

[Attachment #5 (text/html)]

Hi all,<br><br>I&#39;m using ProFTPD version 1.3.1 on Ubuntu 8.04 Server 64 \
bit.<br><br>I&#39;m facing a nasty problem when using the &lt;Class ...&gt; \
statement. I need it to limit the access for certain users from only the \
intranet.<br> <br>If I put the following lines in proftpd.conf:<br><br>&lt;Class \
intranet&gt;<br>From <a \
href="http://192.168.0.0/16">192.168.0.0/16</a><br>&lt;/Class&gt;<br><br>then after \
the daemon restarts I get a Segmentation Fault when trying to connect.<br> <br>From \
syslog:<br>[339314.648490] proftpd[23399]: segfault at 10 rip 7f2475606080 rsp \
7fff38dbc778 error 4<br><br>If I put instead something like:<br><br>&lt;Class \
intranet&gt;<br>
> From 192.168.0.0<br>
&lt;/Class&gt;<br>
<br>I don&#39;t get a Segmentation Fault, but the ACL is obviously wrong. Indeed I \
need something like this:<br>&lt;Class intranet&gt;<br>
> From <a href="http://192.168.0.0/16">192.168.0.0/16</a><br>From <a \
> href="http://10.0.0.0/8">10.0.0.0/8</a><br>From <a \
> href="http://172.16.0.0/12">172.16.0.0/12</a><br>
&lt;/Class&gt;<br><br>In all cases if I run &quot;proftpd -t&quot; the syntax is \
correct.<br> <br>Any idea?<br>TIA.<br>Cheers,<br>Luca<br><br><br>



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