Another useful SSL option is SSLVerifyDepth Through it can be specified …

Friday, 29th March 2024

Comment on Apache SSLCertificateChainFile adding SSL with Certificate Chain / What is Certificate Chain by admin.

Another useful SSL option is SSLVerifyDepth
Through it can be specified how many levels of the certificate chain up should be followed. For example an SSLVerifyDepth 3 means:

| depth 0: the client certificate
| depth 1: the issuer certificate
| depth 2: the issuer’s issuer certificate
| depth 3: the issuer’s issuer’s issuer certificate.

SSLVerifyDepth 0 … a self-signed client cert only is allowed
SSLVerifyDepth 1 … client cert can be signed by a CA, but this has to be the root CA.
SSLVerifyDepth 2 … client cert can be signed by a CA which itself can be
signed by a second CA.
Example of usage of SSLVerifyDepth is below Apache config:

SSLCACertificateFile conf/cert/all.crt
SSLVerifyDepth 3
# For fallback to basic authentication we need optional
SSLVerifyClient optional

ProxyPreserveHost On

Recent Comments by admin

Christ is Risen Eastern Orthodox Resurrection Paschal Greeting in Different Languages
Hi Stan,

I guess you cannot read the writtings on the icon as it is in cyrillic.
This is not Saint Mary and Saint Peter but Adam and Eve written in cyrillic on top of the icon.
Actually in orthodoxy it is a requirement for the depicted personalities, especially saints to have
written on the names of the saint and have the Halo. If you look closely at the picture you will notice
the two Adam and Eve are missing a Halo. The only person with a Halo in the icon is Saint John the Baptist.

Best Regards
Georgi


Install and configure rkhunter for improved security on a PCI DSS Linux / BSD servers with no access to Internet
       –rwo, –report-warnings-only
              This option causes only warning messages to be displayed. This can be useful when rkhunter is run via cron. Other options may
              be used to force other items of information to be displayed.

       –sk, –skip-keypress
              When  the  –check command option is used, after certain sections of tests, the user will be prompted to press the return key
              in order to continue. This option disables that feature, and rkhunter will run until all the tests have completed.

         


Install and configure rkhunter for improved security on a PCI DSS Linux / BSD servers with no access to Internet
As rkhunter check, can be pretty annoying and ask you to press keypresses multiple times and spit you a lot of unnecessery data a very good useful option arguments are:

–rwo and –sk

# rkhunter -c –rwo –sk
Warning: The SSH and rkhunter configuration options should be the same:
         SSH configuration option 'PermitRootLogin': yes
         Rkhunter configuration option 'ALLOW_SSH_ROOT_USER': no


Fix eth changing network interface names from new Linux naming scheme ens, eno, em1 to legacy eth0, eth1, eth2 on CentOS Linux

Sorry for really late reply.

perhaps you have to create it or rename the ifcfg-eno1 to ifcfg-eth1 or you have some old ifcfg-enp1s0f0 or ifcfg-eno still under /etc/sysconfig/network-scripts/ interfering


How to RPM update Hypervisors and Virtual Machines running Haproxy High Availability cluster on KVM, Virtuozzo without a downtime on RHEL / CentOS Linux
if you happen to be missing versionlock plugin and you need to get use of it

yum versionlock capabilities

You will have to install yum-utils package:

For example on CentOS 8 Linux, to enable the yum versionlock plugiun

yum install yum-utils.noarch


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