Generic security view for Centos linux mail and DNS check

Dear Sir, I have good experience of system administration as working in web hosting.I hope that i can better help you to configure and setup you. Thanks for your consideration.

Hi there, Greeting for the day, Hope you are doing well I have 10+ Years of experience as Linux server support engineer will help in fixing the issue on centos mail server starting from DNS to server security . Please initiate chat to discuss your requirement in details. Thanks Karun

hello sir thanks for placing requirement in freelancer.i will check your security and dns.I have 5+ years of experience in managing complex linux architectures and managing cloud infrastructures. I have worked on many complex projects ( Private cloud setup on AWS, Load balancing clusters, Replication systems and many more). I have versatile experience in setting up and managing server and also optimising them for best usage and fine tuning the security aspects. I have expertise in below fields :- 1 Linux Administration. 2 Windows Administration (Windows 2008 , 2012 & 2016) and Migration. 3 Cloud computing ( AWS, Azure and Google Cloud). 4 Automation ( Ansible,Puppet and Chef). 5 Application's & Web servers ( Apache, nginx, IIS and Tomcat ). 6 Databases ( Mysql, MsSql, MongoDB, postgresql and Apache CouchDB). 7 Security ( Web Security, Server hardening and IPS && IDS configuration) 8 Virtualization( KVM, Xen, OpenVZ & Parallels Virtuozzo). 9 Control Panels ( Cpanel, website panel, zpanel and parallel plesk panel). 10 Shell scripts, python & Perl etc. 11 Mail servers