If you face this error: Access is denied. (Error code 5) at Unable to connect to pipe \\.\pipe\psapipe , the solution is very easy
ERROR: PleskFatalException
Unable to remove hosting: SiteAppManager: Provided Client object is invalid.
Solution: you have to login to psa’s database via MysqlQuery Browser or any other client you want and then the following steps
If you see a lot of smtp connections or your server gets constantly in spam black lists, maybe you should check if some bot spams through your server.
The are 2 cases of spamming through a box:
1)using unsecure php forms that bots abuse
2)using smtp connection from an outside client
this artice is about the 2nd case,
A quick and usefull command for checking if a server is under ddos is:
netstat -anp |grep ‘tcp\|udp’ | awk ‘{print $5}’ | cut -d: -f1 | sort | uniq -c | sort -n
What is a null route?
A null route is a route that goes to nowhere.
The reason for creating a null route is to prevent your system from sending any data to a remote system.