New upstream version 2.4.0upstream/2.4.0

1 files changed, 26 insertions, 12 deletions

diff --git a/doc/openvpn.8 b/doc/openvpn.8
index e61b6bb..7bd6d9d 100644
--- a/doc/openvpn.8
+++ b/doc/openvpn.8
@@ -4,7 +4,7 @@
 .\"             packet encryption, packet authentication, and
 .\"             packet compression.
 .\"
-.\"  Copyright (C) 2002-2016 OpenVPN Technologies, Inc. <sales@openvpn.net>
+.\"  Copyright (C) 2002-2017 OpenVPN Technologies, Inc. <sales@openvpn.net>
 .\"
 .\"  This program is free software; you can redistribute it and/or modify
 .\"  it under the terms of the GNU General Public License version 2
@@ -2793,7 +2793,7 @@ expands as follows:
  if dev tap OR (dev tun AND topology == subnet):
    ifconfig 10.8.0.1 255.255.255.0
    if !nopool:
-     ifconfig\-pool 10.8.0.2 10.8.0.254 255.255.255.0
+     ifconfig\-pool 10.8.0.2 10.8.0.253 255.255.255.0
    push "route\-gateway 10.8.0.1"
    if route\-gateway unset:
      route\-gateway 10.8.0.2
@@ -2989,10 +2989,6 @@ IV_LZO_STUB=1 -- if client was built with LZO stub capability
 
 IV_LZ4=1 -- if the client supports LZ4 compressions.
 
-IV_RGI6=1 -- if the client supports
-.B \-\-redirect\-gateway
-for ipv6
-
 IV_PROTO=2 -- if the client supports peer-id floating mechansim
 
 IV_NCP=2 -- negotiable ciphers, client supports
@@ -4399,6 +4395,10 @@ This option only makes sense when replay protection is enabled
 .\"*********************************************************
 .TP
 .B \-\-no\-iv
+
+.B DEPRECATED
+This option will be removed in OpenVPN 2.5.
+
 (Advanced) Disable OpenVPN's use of IV (cipher initialization vector).
 Don't use this option unless you are prepared to make
 a tradeoff of greater efficiency in exchange for less
@@ -4571,8 +4571,10 @@ public.
 .B \-\-ecdh\-curve name
 Specify the curve to use for elliptic curve Diffie Hellman. Available
 curves can be listed with
-.B \-\-show\-curves
-. The specified curve will only be used for ECDH TLS-ciphers.
+.BR \-\-show\-curves .
+The specified curve will only be used for ECDH TLS-ciphers.
+
+This option is not supported in mbed TLS builds of OpenVPN.
 .\"*********************************************************
 .TP
 .B \-\-cert file
@@ -4870,11 +4872,18 @@ such as TCP expect this role to be left to them.
 .B \-\-reneg\-bytes n
 Renegotiate data channel key after
 .B n
-bytes sent or received (disabled by default).
+bytes sent or received (disabled by default with an exception, see below).
 OpenVPN allows the lifetime of a key
-to be expressed as a number of bytes encrypted/decrypted, a number of packets, or
-a number of seconds.  A key renegotiation will be forced
+to be expressed as a number of bytes encrypted/decrypted, a number of packets,
+or a number of seconds.  A key renegotiation will be forced
 if any of these three criteria are met by either peer.
+
+If using ciphers with cipher block sizes less than 128-bits, \-\-reneg\-bytes is
+set to 64MB by default, unless it is explicitly disabled by setting the value to
+0, but this is
+.B HIGHLY DISCOURAGED
+as this is designed to add some protection against the SWEET32 attack vector.
+For more information see the \-\-cipher option.
 .\"*********************************************************
 .TP
 .B \-\-reneg\-pkts n
@@ -5023,6 +5032,11 @@ key file used with
 .B \-\-tls\-auth
 gives a peer nothing more than the power to initiate a TLS
 handshake.  It is not used to encrypt or authenticate any tunnel data.
+
+Use
+.B \-\-tls\-crypt
+instead if you want to use the key file to not only authenticate, but also
+encrypt the TLS control channel.
 .\"*********************************************************
 .TP
 .B \-\-tls\-crypt keyfile
@@ -5594,7 +5608,7 @@ virtual DHCP server address.  In
 .B \-\-dev tun
 mode, OpenVPN will cause the DHCP server to masquerade as if it were
 coming from the remote endpoint.  The optional offset parameter is
-an integer which is > \-256 and < 256 and which defaults to 0.
+an integer which is > \-256 and < 256 and which defaults to -1.
 If offset is positive, the DHCP server will masquerade as the IP
 address at network address + offset.
 If offset is negative, the DHCP server will masquerade as the IP