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--- nagios-plugins-1.4.12-orig/plugins/check_http.c 2008-05-07 12:02:42.000000000 +0200
+++ nagios-plugins-1.4.12-ommit-default-port/plugins/check_http.c 2008-09-02 10:32:30.000000000 +0200
@@ -753,7 +753,17 @@
/* optionally send the host header info */
if (host_name)
- asprintf (&buf, "%sHost: %s:%d\r\n", buf, host_name, server_port);
+ {
+ /* Ommit the server port if it's the standard port (80 for http and 443 for https). */
+ /* Some applications like wordpress do a redirect to a portless host if you named */
+ /* a portnumber like www.wordpress-thingy.invalid:80. It will redirect to */
+ /* www.wordpress-thingy.invalid and check_http adds the port number in the next */
+ /* http call again resulting in a "redirection creates an infinite loop" */
+ if ((use_ssl == false && server_port == HTTP_PORT) || (use_ssl == true && server_port == HTTPS_PORT))
+ asprintf (&buf, "%sHost: %s\r\n", buf, host_name);
+ else
+ asprintf (&buf, "%sHost: %s:%d\r\n", buf, host_name, server_port);
+ }
/* optionally send any other header tag */
if (http_opt_headers_count) {
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