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-rw-r--r--man/ipsec.conf.5.in19
1 files changed, 15 insertions, 4 deletions
diff --git a/man/ipsec.conf.5.in b/man/ipsec.conf.5.in
index 9a789acef..295100444 100644
--- a/man/ipsec.conf.5.in
+++ b/man/ipsec.conf.5.in
@@ -409,12 +409,20 @@ comma-separated list of ESP encryption/authentication algorithms to be used
for the connection, e.g.
.BR aes128-sha256 .
The notation is
-.BR encryption-integrity-[dh-group] .
+.BR encryption-integrity[-dhgroup][-esnmodes] .
.br
If
.B dh-group
is specified, CHILD_SA setup and rekeying include a separate diffe hellman
-exchange (IKEv2 only).
+exchange (IKEv2 only). Valid
+.B esnmodes
+(IKEv2 only) are
+.B esn
+and
+.B noesn.
+Specifying both negotiates Extended Sequence number support with the peer,
+the defaut is
+.B noesn.
.TP
.BR forceencaps " = yes | " no
force UDP encapsulation for ESP packets even if no NAT situation is detected.
@@ -1035,8 +1043,11 @@ is not given, the
of this connection will be used as peer ID.
.SH "CA SECTIONS"
-This are optional sections that can be used to assign special
-parameters to a Certification Authority (CA).
+These are optional sections that can be used to assign special
+parameters to a Certification Authority (CA). Because the daemons
+automatically import CA certificates from \fI/etc/ipsec.d/cacerts\fP,
+there is no need to explicitly add them with a CA section, unless you
+want to assign special parameters (like a CRL) to a CA.
.TP
.BR also " = <name>"
includes ca section