Ubuntu Proxy : Error opening/creating log file. (check ownership and access rights).

Ubuntu Proxy- Dansguardian + Squid : Error opening/creating log file. (check ownership and access rights).
cd /var/log/dansguardian (if it doesn't exist, then mkdir /var/log/dansguardian then cd /var/log/dansguardian.

touch access.log (this will create the file)
chown root.root access.log (this sets owner and group)
chmod 666 access.log (this sets r/w permissions)

then run command again :
service dansguardian restart
service squid restart