===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/snmp/snmpc.c,v
retrieving revision 1.36
retrieving revision 1.37
diff -u -r1.36 -r1.37
--- src/usr.bin/snmp/snmpc.c	2021/08/11 17:54:19	1.36
+++ src/usr.bin/snmp/snmpc.c	2021/08/11 18:53:45	1.37
@@ -1,4 +1,4 @@
-/*	$OpenBSD: snmpc.c,v 1.36 2021/08/11 17:54:19 martijn Exp $	*/
+/*	$OpenBSD: snmpc.c,v 1.37 2021/08/11 18:53:45 martijn Exp $	*/
 
 /*
  * Copyright (c) 2019 Martijn van Duren <martijn@openbsd.org>
@@ -84,12 +84,12 @@
 };
 struct snmp_app *snmp_app = NULL;
 
-char *community = "public";
+char *community = NULL;
 struct snmp_v3 *v3;
 char *mib = "mib_2";
 int retries = 5;
 int timeout = 1;
-enum snmp_version version = SNMP_V2C;
+enum snmp_version version = SNMP_V3;
 int print_equals = 1;
 int print_varbind_only = 0;
 int print_summary = 0;
@@ -468,7 +468,10 @@
 	argc -= optind;
 	argv += optind;
 
-	if (version == SNMP_V3) {
+	if (version == SNMP_V1 || version == SNMP_V2C) {
+		if (community == NULL || community[0] == '\0')
+			errx(1, "No community name specified.");
+	} else if (version == SNMP_V3) {
 		/* Setup USM */
 		if (user == NULL || user[0] == '\0')
 			errx(1, "No securityName specified");