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41 lines
2.2 KiB
41 lines
2.2 KiB
13 years ago
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Configuring and Running KPPP
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In order to use KPPP, you must first be a member of the "dip" group.
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Membership in this group is a prerequisite for any and all use of ppp in
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Debian. If you are not a member of this group, you will not be able to run
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the ppp daemon (pppd) or make a dialup connection. Since KPPP's backend
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runs SUID root, membership in the "dialout" group is not needed to access
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device nodes.
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KPPP also requires that the ppp daemon be run with the "noauth" option.
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However, pppd's default setting, in /etc/ppp/options, is "auth", and for
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security reasons it should remain so. To work around this problem, uncomment
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"noauth" in /etc/ppp/peers/kppp-options. You should then be able to connect.
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Note that if "noauth" is uncommented, a setting of "noauth" in
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/etc/ppp/options will conflict with KPPP. Note also that uncommenting
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"noauth" opens the possibility that other malicious members of the "dip"
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group might potentially abuse the ppp daemon.
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Finally, if you are uncertain as to which device node represents your modem,
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you can try to find out by running "dmesg | grep tty". The output of this
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command will sometimes provide the needed hint.
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If the answer seems to be that your modem is on a node, such as ttyS28, that
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KPPP does not accept as a configuration option, then you should create a
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symlink from that node to /dev/modem (by running, as root,
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"ln -s /dev/ttyS28 /dev/modem", where ttyS28 is replaced by whatever node your
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modem is on). Then simply configure KPPP to use /dev/modem. Further modems
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with non-standard device nodes can likewise be symlinked to /dev/modem[0-3].
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If you use udev, then symlinks in /dev will not be preserved
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across reboots. In this case, you should edit, as root, /etc/udev/links.conf,
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adding a line that resembles "L modem /dev/ttyS28". You must then either
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reboot, or run "/etc/init.d/udev restart", for the link to be created.
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If you believe that your modem node should be included in KPPP's default list,
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and you are using a common type of hardware, you can always file a wishlist
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bug against the kppp package, although the package maintainers maintain the
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right to judge your device node too esoteric for inclusion.
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