This is needed to test against the "pebble" let's encrypt test server.

OK?

diff --git http.c http.c
index 08a195e7d92..c996a1d519f 100644
--- http.c
+++ http.c
@@ -299,26 +299,26 @@ http_open(const struct http *http, int headreq, const void *p, size_t psz)
 		if (headreq)
 			c = asprintf(&req,
 			    "HEAD %s HTTP/1.0\r\n"
-			    "Host: %s\r\n"
+			    "Host: %s:%d\r\n"
 			    "User-Agent: OpenBSD-acme-client\r\n"
 			    "\r\n",
-			    http->path, http->host);
+			    http->path, http->host, http->port);
 		else
 			c = asprintf(&req,
 			    "GET %s HTTP/1.0\r\n"
-			    "Host: %s\r\n"
+			    "Host: %s:%d\r\n"
 			    "User-Agent: OpenBSD-acme-client\r\n"
 			    "\r\n",
-			    http->path, http->host);
+			    http->path, http->host, http->port);
 	} else {
 		c = asprintf(&req,
 		    "POST %s HTTP/1.0\r\n"
-		    "Host: %s\r\n"
+		    "Host: %s:%d\r\n"
 		    "Content-Length: %zu\r\n"
 		    "Content-Type: application/jose+json\r\n"
 		    "User-Agent: OpenBSD-acme-client\r\n"
 		    "\r\n",
-		    http->path, http->host, psz);
+		    http->path, http->host, http->port, psz);
 	}
 
 	if (c == -1) {
diff --git netproc.c netproc.c
index a1e8566bedf..3517868564e 100644
--- netproc.c
+++ netproc.c
@@ -19,6 +19,7 @@
 #include <ctype.h>
 #include <err.h>
 #include <errno.h>
+#include <limits.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -106,6 +107,27 @@ url2host(const char *host, short *port, char **path)
 		return NULL;
 	}
 
+	/* extract port */
+	if ((ep = strchr(url, ':')) != NULL) {
+		const char *errstr;
+		char *p = strdup(ep + 1);
+		if (p == NULL) {
+			warn("strdup");
+			free(url);
+			return NULL;
+		}
+		*ep = '\0';
+		*port = strtonum(p, 1, USHRT_MAX, &errstr);
+		if (errstr != NULL) {
+			warn("port is %s: %s", errstr, p);
+			free(url);
+			free(p);
+			return NULL;
+		}
+		free(p);
+		
+	}
+
 	return url;
 }
 

-- 
In my defence, I have been left unsupervised.