diff --git a/check-ssl-cert.sh b/check-ssl-cert.sh
new file mode 100644
index 0000000..ca60786
--- /dev/null
+++ b/check-ssl-cert.sh
@@ -0,0 +1 @@
+ ssh ger@rdms-prod-icat00.data.rug.nl "openssl x509 -dates -noout -in /etc/irods/localhost_and_chain.crt"
diff --git a/portscan.ssl b/portscan.ssl
new file mode 100644
index 0000000..024342e
--- /dev/null
+++ b/portscan.ssl
@@ -0,0 +1,4 @@
+
+check ciphers on ssl-website:
+
+nmap -p 443 -v --script ssl-enum-ciphers webdav-test.data.rug.nl