noip.c (do_implicit_bind): Handle `SAME' impbind entries properly.

[preload-hacks] / noip.1

diff --git a/noip.1 b/noip.1
index 93b0a8a5d624511fae51f1b3cbe48cc852fa5a64..f4598dad400eeda3ff45d1e3a748b5459c400a29 100644 (file)
--- a/noip.1
+++ b/noip.1
@@ -123,9 +123,10 @@ variable
 can also be used to control which ports are assigned automatically.
 .TP
 .BI "realbind " acl-entry
-Add an entry to the
+Add a comma-separated list of entries to the
 .B realbind
-access control list (ACL).  When a program attempts to
+access control list (ACL).  (See below for the format of an ACL entry.)
+When a program attempts to
 .BR bind (2)
 a socket to an address, the
 .B realbind
@@ -148,9 +149,10 @@ are also put at the end (before the
 rules), though this may change later.
 .TP
 .BI "realconnect " acl-entry
-Add an entry to the
+Add a comma-separated list of entries to the
 .B realconnect
-access control list (ACL).  When a program attempts to
+access control list (ACL).  (See below for the format of an ACL entry.)
+When a program attempts to
 .BR connect (2)
 a socket to an address, or to contact another socket using
 .BR sendto (2)
@@ -175,11 +177,22 @@ rules are appended on the end.  Currently, the rules in
 are also put at the end (before the
 .B _AFTER
 rules), though this may change later.
+.IP
+(Aside: An attempt to connect to a remote host may not be a hopeless failure,
+even if a real IP socket is denied:
+.B noip
+deliberately makes no attempt to check that addresses being bound to
+sockets correspond to locally available addresses; and besides, sockets
+can be introduced into the directory by other programs simulating remote
+servers.)
 .TP
 .BI "impbind " bind-rule
-Add an entry to the implicit-bind rule list.  When a program attempts to
-.BR connect (2)
-a socket without binding its local address first,
+Add a comma-separated list of entries to the implicit-bind rule list.
+When a program attempts to transmit from a socket \(en e.g., with
+.BR connect (2),
+.BR sendto (2), or
+.BR sendmsg (2)
+\(en without binding its local address first,
 .B noip
 consults this list to decide on the correct local address to assign.
 Each entry in the list has the form
@@ -213,14 +226,6 @@ are also put at the end (before the
 rules), though this may change later.
 .RE
 .PP
-(Aside: An attempt to connect to a remote host may not be a hopeless failure,
-even if a real IP socket is denied:
-.B noip
-deliberately makes no attempt to check that addresses being bound to
-sockets correspond to locally available addresses; and besides, sockets
-can be introduced into the directory by other programs simulating remote
-servers.)
-.PP
 An
 .I acl-entry
 is a comma-separated list of entries of the form: