I also see that: authorized_keys2 dtc-xen-firewall-custom-rules dtc-xen-firewall.sh dtc-xen.cert.cert dtc-xen.cert.csr dtc-xen.cert.key htpasswd privkey.pem
are all left in /etc/dtc-xen after purging both dtc-xen and dtc-xen-firewall.
pgpfCVAWhc3PS.pgp
Description: PGP signature