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| author | Thomas Markwalder <tmark@isc.org> | 2019-06-20 10:18:56 -0400 |
|---|---|---|
| committer | Thomas Markwalder <tmark@isc.org> | 2019-06-20 10:18:56 -0400 |
| commit | a5330adf52081f8b5c39f6ed8df619549cd58a6d (patch) | |
| tree | 6c177342c312266a531da45679beafe8f8f1da82 | |
| parent | 7c72928ef6fe8541fb0fed4a1b998d83fdd227e5 (diff) | |
| download | isc-dhcp-a5330adf52081f8b5c39f6ed8df619549cd58a6d.tar.gz | |
[v4_1_esv] Updated match expression man page text and release notes
Merges in 45451.
| -rw-r--r-- | RELNOTES | 4 | ||||
| -rw-r--r-- | server/dhcpd.conf.5 | 6 |
2 files changed, 10 insertions, 0 deletions
@@ -105,6 +105,10 @@ dhcp-users@lists.isc.org. when building with --enable-use-sockets and --enable-ipv4-pktinfo. [ISC-Bugs #36118] +- 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 4.1-ESV-R15b1 - None diff --git a/server/dhcpd.conf.5 b/server/dhcpd.conf.5 index 2c4d78dd..d2734aa4 100644 --- a/server/dhcpd.conf.5 +++ b/server/dhcpd.conf.5 @@ -880,6 +880,12 @@ 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 |