diff options
Diffstat (limited to 'contrib/bind/doc/html/options.html')
-rw-r--r-- | contrib/bind/doc/html/options.html | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/contrib/bind/doc/html/options.html b/contrib/bind/doc/html/options.html index f124ebaee567..9e3c0da9961e 100644 --- a/contrib/bind/doc/html/options.html +++ b/contrib/bind/doc/html/options.html @@ -70,6 +70,7 @@ options { [ <A HREF="#sortlist">sortlist</A> { <VAR>address_match_list</VAR> }; ] [ rrset-order { <VAR>order_spec</VAR> ; [ <VAR>order_spec</VAR> ; ... ] }; ] [ preferred-glue ( A | AAAA ); ] + [ edns-udp-size <VAR>number</VAR>; ] }; </PRE> <HR> @@ -819,6 +820,16 @@ the answer to a priming query. This can be achieved by setting <CODE>preferred-glue A;</CODE> which will add A records before other types in the additional section. +<H4>EDNS</H4> + +Some firewalls fail to pass EDNS/UDP messages that are larger than +certain size, 512 or the UDP reassembly buffer. To allow EDNS to +work across such firewalls it is necessary to advertise a EDNS +buffer size that is small enough to not trigger failures. +<CODE>edns-udp-size</CODE> can be use to adjust the advertised size. +Values less than 512 will be increased to 512 and values greater than +4096 will be truncated to 4096. + <H4>Tuning</H4> <DL> @@ -847,7 +858,7 @@ request for the root servers to be accepted. Default 2. <HR> <ADDRESS> -Last Updated: $Id: options.html,v 1.49 2002/09/09 00:19:17 marka Exp $ +Last Updated: $Id: options.html,v 1.49.6.1 2003/06/02 09:56:33 marka Exp $ </ADDRESS> </BODY> </HTML> |