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author | Thomas Markwalder <tmark@isc.org> | 2018-01-12 09:54:44 -0500 |
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committer | Thomas Markwalder <tmark@isc.org> | 2018-01-12 09:54:44 -0500 |
commit | d638452ea1a83e12f61e64fe39838a74e453f40a (patch) | |
tree | 747bed4e1a33b1b6fd7c04d3177de64d2550c8ef | |
parent | 913ec5318c5d477f4baae3a0c668566d7dbefcb2 (diff) | |
download | isc-dhcp-d638452ea1a83e12f61e64fe39838a74e453f40a.tar.gz |
[master] Updated match expression man page text and release notes
Merges in 45451.
-rw-r--r-- | RELNOTES | 6 | ||||
-rw-r--r-- | server/dhcpd.conf.5 | 6 |
2 files changed, 12 insertions, 0 deletions
@@ -87,6 +87,12 @@ ISC DHCP is open source software maintained by Internet Systems Consortium. This product includes cryptographic software written by Eric Young (eay@cryptsoft.com). + Changes since 4.4.0b1 (Bug Fixes) + +- Added clarifying text to dhcpd.conf.5 explaining the class match expressions + cannot rely on the results of executable statements. + [ISC-Bugs #45451] + Changes since 4.4.0a1 (New Features) - Added experimental support for relay port (draft-ietf-dhc-relay-port-10.txt) diff --git a/server/dhcpd.conf.5 b/server/dhcpd.conf.5 index b32915d4..878f1b6c 100644 --- a/server/dhcpd.conf.5 +++ b/server/dhcpd.conf.5 @@ -921,6 +921,12 @@ class "ras-clients" { } .fi .PP +Please note that the values used in match expressions may only come from +data or options that are part of the client packet. It is not possible to +use values constructed through one or more executable statements. This +stems from the fact that client classification occurs before any statements +are executed. Attempting to do so will yield indeterminate results. +.PP Note that whether you use matching expressions or add statements (or both) to classify clients, you must always write a class declaration for any class that you use. If there will be no match statement and |