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comment about ifs scan twice the first time

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Add comment message about why we're scanning interfaces twice during the
initial configuration (FreeBSD compatibility). See #3583
This commit is contained in:
Colin Vidal 2025-09-16 15:49:42 +02:00
parent 3fe239e5cf
commit 17a2cbcbc5
1 changed files with 6 additions and 0 deletions
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6
bin/named/server.c
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@ -8696,6 +8696,12 @@ apply_configuration(cfg_parser_t *configparser, cfg_obj_t *config,
* Rescan the interface list to pick up changes in the
* listen-on option. This requires the loopmgr to be
* temporarily resumed.
*
* The reason we're doing this the first time (instead of having
* only one scan later) is because we're are dropping root
* privileges shortly after and FreeBSD doesn't have Linux
* capabilities so can't listen to a privileged port without
* being root.
*/
isc_loopmgr_resume();
result = ns_interfacemgr_scan(server->interfacemgr, true, true);