amass, httprobe, sublist3r, theHarvester: add page (#4912)

pages/common/httprobe.md

@@ -0,0 +1,20 @@
+# httprobe
+
+> Take a list of domains and probe for working HTTP and HTTPS servers.
+> More information: <https://github.com/tomnomnom/httprobe>.
+
+- Probe a list of domains from a text file:
+
+`cat {{input_file}} | httprobe`
+
+- Only check for HTTP if HTTPS is not working:
+
+`cat {{input_file}} | httprobe --prefer-https`
+
+- Probe additional ports with a given protocol:
+
+`cat {{input_file}} | httprobe -p {{https:2222}}`
+
+- Output all available options:
+
+`httprobe --help`