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| -rw-r--r-- | doc/tor.1.in | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/doc/tor.1.in b/doc/tor.1.in index 237d0ed328..9924dbff2c 100644 --- a/doc/tor.1.in +++ b/doc/tor.1.in @@ -1027,6 +1027,17 @@ client addresses have contacted it so that it can help the bridge authority guess which countries have blocked access to it. .LP .TP +\fBServerDNSRandomizeCase \fR\fB0\fR|\fB1\fR\fP +When this option is set, Tor sets the case of each character randomly in +outgoing DNS requests, and makes sure that the case matches in DNS replies. +This so-called "0x20 hack" helps resist some types of DNS poisoning attack. +For more information, see "Increased DNS Forgery Resistance through 0x20-Bit +Encoding". +This option only affects name lookups that your server does on +behalf of clients. +(Default: 1) +.LP +.TP \fBGeoIPFile \fR\fIfilename\fP A filename containing GeoIP data, for use with BridgeRecordUsageByCountry. |