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### 10. Appendix

### 10.1 The Hayes Modem Command Set

The Hayes Command Set might come handy if you need to fine-tune your modem commands.

### 10.2 kppp related files

By default kppp makes use of the following files and directories. The location of some of those can be changed at compile time.

> `

>     ${KDEDIR}/bin/kppp
>     ${KDEDIR}/share/doc/HTML/.../kppp/*
>     ${KDEDIR}/share/apps/kppp
>     ${KDEDIR}/share/apps/kppp/Rules/*/*.rst
>     ${KDEDIR}/share/apps/kppp/pics/*
>     ${HOMEDIR}/.kde/share/apps/kppp
>     ${HOMEDIR}/.kde/share/apps/kppp/kppp.pid
>     ${HOMEDIR}/.kde/share/apps/kppp/Log/*
>     ${HOMEDIR}/.kde/share/config/kppprc

> `

### 10.3 Reporting problems with kppp

Before reporting a problem or potential bug to the maintainers of kppp, please make sure that you have read the section Frequently asked Questions carefully.

If you still have problems, you need to include the following informations with your report:

- The version of kppp you are using. kppp -v will show the version number.
- The version of pppd you are using. /usr/sbin/pppd -h will show the number.
- What operating system and version you use. uname -a will tell you this information on most UNIX systems.
- If kppp reports "pppd died unexpectedly", add the debug option to the pppd arguments. Dial again to reproduce the error.

  Now the file `/var/log/messages` (this depends on your system and configuration, but a typically installed Linux system will have this. Of course you must have root permissions to read this file) will have a lot of debugging output at the end. Don't send us the whole file. It typically has several thousands of lines and we neither have time nor are we willing to process such a file. Just send us the last lines that contain pppd, instead. Make sure that this file does not contain security compromising information such as passwords or usernames. Replace such entries with something like "myusername" and "mypassword"

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