If there are several sites with SSL on the same IP address, then old ancient browsers that do not support SNI will not be able to determine which certificate to download and will most likely download the first one that is registered at the beginning of the web server configuration.
Continue reading “The problem with multiple SSL on the same IP”Category Archives: Linux
Installing Asterisk on Ubuntu Server
I will give an example of a quick installation of Asterisk on Ubuntu Server.
I will install it on versions 14.04 LTS and 16.04 LTS.
Installing LFTP on Linux
LFTP is a console FTP client with support for FTPS, SFTP, HTTPS, etc.
Continue reading “Installing LFTP on Linux”How to update ABillS
For example, I will upgrade the commercial version of ABillS 0.78.16 to 0.81.28
Continue reading “How to update ABillS”Configuring FTPS in cPanel
I will give an example of setting up FTPS for PureFTPd running on a server with cPanel. For ProFTPD, the setup is almost the same.
Continue reading “Configuring FTPS in cPanel”Tuning nf_conntrack
In this article I will give an example of optimizing the parameters of nf_conntrack for a high-loaded NAT server.
Continue reading “Tuning nf_conntrack”cPanel. Solution of the error “dovecot: pop3-login: Disconnected (no auth attempts in 0 secs)”
Recently, Dovecot was automatically updated on one of the servers with cPanel, and the PHP self-recording system stopped importing letters, that is, it could not connect to the mail server, in the log file /var/log/maillog I discovered the following:
Continue reading “cPanel. Solution of the error “dovecot: pop3-login: Disconnected (no auth attempts in 0 secs)””IPTables quick setup script
Sometimes it is necessary, for example, to delete all IPTables rules and to add only the necessary, so for convenience, you can specify them in the script, and then execute it.
Continue reading “IPTables quick setup script”Disabling site statistics in cPanel
Sometimes it is useful to disable visitor statistics for some frequently visited sites, since there is no point in loading the server by analyzing huge log files and if you can use other statistical tools, such as Goole Analytics, for example.
Continue reading “Disabling site statistics in cPanel”Configuring GOIP4 with Asterisk
On the test, I set up a Chinese GSM GOIP4 gateway with an Asterisk server as a trunk.
Continue reading “Configuring GOIP4 with Asterisk”