Use openssl s_client instead of ncat

README.md

@@ -8,7 +8,7 @@
 
 ## Install
 
-dillo-gemini requires `ncat`, which is included in the `nmap` package on Debian.
+dillo-gemini requires the `openssl` command-line tool.
 
 This repo is hosted on the [SSB Network][SSB] using [git-ssb][].
 

gemini.filter.dpi

@@ -120,7 +120,7 @@ serve_gemini() {
 	port=${hostname##*:}
 	if [ "$host" = "$port" ]; then port=1965; fi
 	send_status_msg "Sending request..."
-	printf "%s\r\n" "$url" | ncat --no-shutdown --ssl "$host" "$port" | {
+	printf "%s\r\n" "$url" | openssl s_client -verify_quiet -quiet "$host:$port" | {
 		read status meta
 		send_status_msg "Status: $status"
 		meta=$(echo "$meta" | sed 's/\s*$//')