diff -ur postgresql-7.3.1/src/backend/libpq/be-secure.c postgresql-7.3.1.patched/src/backend/libpq/be-secure.c
--- postgresql-7.3.1/src/backend/libpq/be-secure.c	Wed Dec 18 07:20:00 2002
+++ postgresql-7.3.1.patched/src/backend/libpq/be-secure.c	Mon Dec 23 00:54:44 2002
@@ -635,7 +639,7 @@
 
 	/* set up empheral DH keys */
 	SSL_CTX_set_tmp_dh_callback(SSL_context, tmp_dh_cb);
-	SSL_CTX_set_options(SSL_context, SSL_OP_SINGLE_DH_USE);
+	SSL_CTX_set_options(SSL_context, SSL_OP_SINGLE_DH_USE | SSL_OP_NO_SSLv2);
 
 	/* accept client certificates, but don't require them. */
 	snprintf(fnbuf, sizeof fnbuf, "%s/root.crt", DataDir);