From 5dbccb84737c96fef00663919c83ee8f3d6e887a Mon Sep 17 00:00:00 2001 From: Andreas Gustafsson Date: Wed, 25 Apr 2001 17:35:10 +0000 Subject: [PATCH] added section about zone transfer protocol interoperability issues --- doc/misc/migration | 17 ++++++++++++++++- 1 file changed, 16 insertions(+), 1 deletion(-) diff --git a/doc/misc/migration b/doc/misc/migration index 5769773899..5dbf947c33 100644 --- a/doc/misc/migration +++ b/doc/misc/migration @@ -109,6 +109,8 @@ name is deprecated. Use \$ instead. 3. Interoperability Impact of New Protocol Features +3.1. EDNS0 + BIND 9 uses EDNS0 (RFC2671) to advertise its receive buffer size. It also sets an EDNS flag bit in queries to indicate that it wishes to receive DNSSEC responses; this flag bit usage is not yet standardized, @@ -126,6 +128,19 @@ authoritative servers use this server will be very slow or fail completely. We have contacted the manufacturer of the name server in case, and they are working on a solution. +3.2. Zone transfers + +Outgoing zone transfers now use the "many-answers" format by default. +This format is not understood by certain old versions of BIND 4. +You can work around this problem using the option "transfer-format +one-answer;", but since these old versions all have known security +problems, the correct fix is to upgrade the slave servers. + +Some BIND 9 users have reported interoperability problems with zone +transfers to Microsoft DNS servers that were solved by specifying +"transfer-format one-answer;", but we are still lacking detailed +information about this issue. + 4. Unrestricted Character Set @@ -185,4 +200,4 @@ directing queries for a given domain to a particular set of name servers. -$Id: migration,v 1.28 2001/03/27 23:59:53 bwelling Exp $ +$Id: migration,v 1.29 2001/04/25 17:35:10 gson Exp $