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Diffstat (limited to 'doc/tor.1.txt')
| -rw-r--r-- | doc/tor.1.txt | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/doc/tor.1.txt b/doc/tor.1.txt index 7d72350eb..c37c44c7b 100644 --- a/doc/tor.1.txt +++ b/doc/tor.1.txt @@ -251,6 +251,20 @@ Other options can be specified either on the command-line (--option option requires that you start your Tor as root, and you should use the **User** option to properly reduce Tor's privileges. (Default: 0) +**DisableDebuggerAttachment** **0**|**1**:: + If set to 1, Tor will attempt to prevent basic debugging attachment attempts + by other processes. It has no impact for users who wish to attach if they + have CAP_SYS_PTRACE or if they are root. We believe that this feature + works on modern Gnu/Linux distributions, and that it may also work on *BSD + systems (untested). Some modern Gnu/Linux systems such as Ubuntu have the + kernel.yama.ptrace_scope sysctl and by default enable it as an attempt to + limit the PTRACE scope for all user processes by default. This feature will + attempt to limit the PTRACE scope for Tor specifically - it will not attempt + to alter the system wide ptrace scope as it may not even exist. If you wish + to attach to Tor with a debugger such as gdb or strace you will want to set + this to 0 for the duration of your debugging. Normal users should leave it + on. (Default: 1) + **FetchDirInfoEarly** **0**|**1**:: If set to 1, Tor will always fetch directory information like other directory caches, even if you don't meet the normal criteria for fetching |