Public bug reported:
Man page for the rndc utility mentions that /etc/rndc.key and
/etc/rndc.conf are default locations for config files. That is not true.
> man rndc
```
-c config-file
Use config-file as the configuration file instead of the default,
/etc/rndc.conf.
-k key-file
Use key-file as the key file instead of the default, /etc/rndc.key.
The key in /etc/rndc.key will be used to authenticate commands sent to the
server if the config-file does not exist.
```
In fact, running rndc with strace shows that it looks for these files at
/etc/bind
```
futex(0x7ff0e3472028, FUTEX_WAKE_PRIVATE, 1) = 1
stat("/etc/bind/rndc.conf", 0x7ffe2b70d1e0) = -1 ENOENT (No such file or
directory)
stat("/etc/bind/rndc.key", {st_mode=S_IFREG|0640, st_size=77, ...}) = 0
openat(AT_FDCWD, "/etc/bind/rndc.key", O_RDONLY) = 6
```
# Suggested resolution:
update the man page so it is not misleading.
Use case: on my configuration, Bind9 is configured to listen on 127.0.0.2
because I use another DNS server that handles most traffic at 127.0.0.1. But I
could not get rndc to talk to correct ip address regardless of what I wrote at
/etc/rndc.conf. Finally, strace revealed that the expected config file location
is different from what man page tells. I've spent a considerable amount of time
debugging what is wrong with my configuration
# System and version information:
Ubuntu 18.04
Package: bind9
Version: 1:9.11.3+dfsg-1ubuntu1.13
** Affects: bind9 (Ubuntu)
Importance: Undecided
Status: New
** Tags: manpage
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https://bugs.launchpad.net/bugs/1897545
Title:
Bind9: man file for rndc utility mentions wrong config file location
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