This was looked at before.
Did not get through.
--- /usr/src/usr.sbin/syslogd/syslogd.c Wed May 13 19:17:17 2020
+++ ./syslogd.c Mon Feb 10 16:05:59 2020
@@ -2416,6 +2416,7 @@
s = 0;
strlcpy(progblock, "*", sizeof(progblock));
strlcpy(hostblock, "*", sizeof(hostblock));
+ send_udp = send_udp6 = 0;
while (getline(&cline, &s, cf) != -1) {
/*
* check for end-of-section, comments, strip off trailing
@@ -2755,6 +2756,9 @@
sizeof(f->f_un.f_forw.f_addr)) != 0) {
log_warnx("bad hostname \"%s\"",
f->f_un.f_forw.f_loghost);
+ /* DNS lookup may work after SIGHUP, keep sockets */
+ if (strncmp(proto, "udp", 3) == 0)
+ send_udp = send_udp6 = 1;
break;
}
f->f_file = -1;
It helps with @ domain in conf.
As explain a Failed DNS request at boot can work later.
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