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Tag Archives: secure

July, 2010

  • 6 July

    How to Connect via SSH

    SSH secure iconSSH stands for Secure Shell and is a secure encrypted method of connecting to a server for shell/command line access. It can be useful for shared hosting, virtual private servers, and dedicated servers. Linux server usually come with SSH enabled by default, although some web hosts may disable …

June, 2010

  • 30 June

    MySQL Server Optimization

    If you are running a dedicated server, optimization is very important to maximize speed, efficiency, and save time and energy. We have already looked at ways to optimize Apache web server, but many dynamic websites also use databases that hold the data for their dynamic web applications. You can accomplish …

  • 18 June

    How to Enable/Disable Root Login in SSH

    Question: I have heard that enabling root login in SSH can be a security risk. Is that true, and if so, how do I disable it? Answer: The truth is that having root logins enabled is not in itself a security risk. The real risk comes from having an easily …

May, 2010

  • 12 May

    Creating Good Passwords

    Whether you have a single small website or a data center filled with servers, security should always be at the top of your agenda. One of the most basic security holes that attackers often exploit is the weak password. It is important for you and any users on your server …

  • 6 May

    What You Should Know About SSL Certificates

    SSL certificates allow website owners to provide something like a badge of authenticity to their users. In theory a website with a valid certificate should be trustworthy and secure. By default, web browsers will recognize a number of certificate authorities, companies that sell annual certificates and verify them. Depending on …

April, 2010

  • 13 April

    How to secure your WordPress installation

    Yesterday, news sources and blogs announced that WordPress blogs hosted by Network Solutions were being hacked. The website owners’ credentials were stolen, and then the sites were used to redirect thousands of visitors to websites that distributed malware. Apparently, WordPress’ configuration file, called wp-config.php, stores the user’s database password in …

March, 2010

  • 29 March

    Sudo vs. SU

    The “su” command is what a Linux user with proper permissions uses to ascend to the root administrator account. A secure SSH server will not allow direct root login, so the user must gain root after initial login. The “sudo” command is an alternative to using a separate root user …

January, 2010

  • 29 January

    How to enable HTTPS on a Windows server

    SSL stands for Secure Socket Layer and is the underlying technology that enables a website to use the HTTPS protocol. Why is this important? A website with an HTTPS URL provides website visitors with a secure connection for private transactions. It is essential for any type of online sales or …

December, 2009

  • 30 December

    How to disable dynamic updates in BIND DNS

    BIND (also called NameD) is the DNS system for most Unix-like and Linux networked servers. It controls all of the DNS functionality on those servers and thus needs to be secure. Dynamic updates allow remote servers to add, delete, or modify zone entries in DNS records. While there may be …

  • 25 December

    Running an entire website under SSL

    Question: I was thinking of making my entire website HTTPS instead of just the shopping cart. Is this a good idea? Answer: There are both pros and cons to securing an entire site with SSL, but most seem to agree that the cons outweigh the pros. The advantage is that …

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