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-rw-r--r--doc/tor.1.txt8
1 files changed, 8 insertions, 0 deletions
diff --git a/doc/tor.1.txt b/doc/tor.1.txt
index 916433b164..a7bf28bbd5 100644
--- a/doc/tor.1.txt
+++ b/doc/tor.1.txt
@@ -601,6 +601,14 @@ GENERAL OPTIONS
[[User]] **User** __UID__::
On startup, setuid to this user and setgid to their primary group.
+[[KeepCapabilities]] **KeepCapabilities** **0**|**1**|**auto**::
+ On Linux, when we are started as root and we switch our identity using
+ the **User** option, the **KeepCapabilities** option tells us whether to
+ try to retain our ability to bind to low ports. If this value is 1, we
+ try to keep the capability; if it is 0 we do not; and if it is **auto**,
+ we keep the capability only if we are configured to listen on a low port.
+ (Default: auto.)
+
[[HardwareAccel]] **HardwareAccel** **0**|**1**::
If non-zero, try to use built-in (static) crypto hardware acceleration when
available. (Default: 0)