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Does a wildcard certificate cover a root domain?
Yes. A wildcard SSL certificate secures not only an unlimited number of single-level subdomains, but it also secures the root domain that they stem from as well! This means that any wildcard SSL certificate, including one from a trusted CA like RapidSSL, would cover your root domain.
How does SSL / TLS hide the URLs being accessed?
This does prevent an eavesdropper from directly seeing the path part of the URL. However, the length of the path part of the URL may be visible to the eavesdropper. In addition, other information — such as the length of the page you visited — may also be visible to the eavesdropper. This is a foot in the door for the attacker.
Which is an example of a wildcard SSL certificate?
A wildcard SSL certificate is a type of SSL certificate that secures an unlimited number of subdomains on a single level — typically first-level subdomains. To do this, you’ll register your certificate for the following domain: *.yoursite.com. In this example, the asterisk represents any type of subdomain on that level.
How is the IP address observed in TLS?
The IP address is directly observed, and: The server’s certificate is sent in plain, and contains the server name (between multiple ones, maybe), in newer TLS versions, there is the server name indication, by which the client indicates to the server which host name is wished, so the server can present the right certificate, if it has multiple ones.
How to set a limit for the root user?
To set a limit for the root user, this field must contain the literal username root . for enforcing hard resource limits. These limits are set by the superuser and enforced by the Kernel. The user cannot raise his requirement of system resources above such values. for enforcing soft resource limits.
How to set the maxlogins limit in Pam?
• the wildcard %, for maxlogins limit only, can also be used with %group syntax. If the % wildcard is used alone it is identical to using * with maxsyslogins limit. With a group specified after % it limits the total number of logins of all users that are member of the group.
Where to find limits.conf file in manpage?
The pam_limits.so module applies ulimit limits, nice priority and number of simultaneous login sessions limit to user login sessions. This description of the configuration file syntax applies to the /etc/security/limits.conf file and *.conf files in the /etc/security/limits.d directory.