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-rw-r--r--extensions/libxt_connlimit.man3
1 files changed, 2 insertions, 1 deletions
diff --git a/extensions/libxt_connlimit.man b/extensions/libxt_connlimit.man
index c0246fdc..f8f9c7b8 100644
--- a/extensions/libxt_connlimit.man
+++ b/extensions/libxt_connlimit.man
@@ -6,7 +6,8 @@ Match if the number of existing connections is (not) above \fIn\fP.
.TP
\fB\-\-connlimit\-mask\fP \fIprefix_length\fP
Group hosts using the prefix length. For IPv4, this must be a number between
-(including) 0 and 32. For IPv6, between 0 and 128.
+(including) 0 and 32. For IPv6, between 0 and 128. If not specified, the
+maximum prefix length for the applicable protocol is used.
.P
Examples:
.TP