network hardening checklist
According to the PCI DSS, to comply with Requirement 2.2, merchants must “address all known security vulnerabilities and [be] consistent with industry-accepted system hardening standards.” Common industry-accepted standards that include specific weakness-correcting guidelines are published by the following organizations: But don’t just disable something because you don’t know what it does. We can restrict access and make sure the application is kept up-to-date with patches. You probably won’t perform regular full backups of your workstations, but consider folder redirection or Internet based backups to protect critical user data. SCP, where possible, Block insecure file transfer, e.g. It seems like a lot of work up front, but it will save you time and effort down the road. Application hardening can be implemented by removing the functions or components that you don’t require. Run a scheduled task to disable, and report, on any accounts that haven’t been used to authenticate in a fixed period of time. If it’s worth building, it’s worth backing up. Whichever one you choose, choose one and make it the standard. Keep a list of all workstations, just like the server list, that includes who the workstation was issued to and when its lease is up or it’s reached the end of its depreciation schedule. Use your wireless network to establish a guest network for visiting customers, vendors, etc. Use the most secure remote access method your platform offers. or would like the information deleted, please email email@example.com from the email address you used when submitting this form. Here’s a short list of the policies every company with more than two employees should have to help secure their network. P Do not install the IIS server on a domain controller. NIST maintains the National Checklist Repository, which is a publicly available resource that contains information on a variety of security configuration checklists for specific IT products or categories of IT products. Good write up. Perform regular vulnerability scans of a random sample of your workstations to help ensure your workstations are up to date. You’ll save memory and CPU, and it’s one less way bad guys will have to get it. There is no excuse for letting any laptop or portable drive out of the physical confines of the office without encryption in place to protect confidential data. When a tape has reached its end of life, destroy it to ensure no data can be recovered from it. If you have a file system that tempts you to use “Deny Access” to fix a “problem” you are probably doing something wrong. Although, a simple password may keep off freeloaders from using up your bandwidth, it may never protect your from aggressive hackers who have no limits. using keepalives, Enforce a strong password policy (may be done on the AAA server), Enforce a lockout period upon multiple authentication failure attempts within a defined time window (may be done on the AAA server), Restrict the maximum number of concurrent sessions, Reserve one terminal or management port for access solely by one particular NoC host, Present legal notification banner upon all terminal, management and privileged EXEC level access, Employ strong secrets for authentication between the AAA server and NAS, Restrict AAA communication to only the limited set of authorized AAA servers, and over the configured AAA communication ports, Disable HTTP/HTTPS access if not required, Only permit web access from authorized originators, Restrict access to HTTPS only if web access required, Authenticate and authorize all web access using centralized (or local) AAA, Authorize all web access using centralized (or local) AAA, Restrict the permitted rate of login attempts, Only permit SNMP access from authorized originators, Only enable minimum required access, e.g. Making sure that the workstations are secure is just as important as with your servers. The hardening checklists are based on the comprehensive checklists produced by CIS. It’s a text file, it could contain code that executes when it is open. Deploy mail filtering software that protects users from the full range of email threats, including malware, phishing attacks, and spam. Of course, neither was most of the government. © 2020 Cisco and/or its affiliates. Assign static IP addresses to all management interfaces, add A records to DNS, and track everything in an IP Address Management (IPAM) solution. In the next few lessons, we'll do a deep dive on the best practices that an IT support specialist should know for implementing network hardening. Reads a file, bad things could happen your servers servers need to run a particular service, disable.... Default permissions are usually a little late for the future, DISA has Updated the that! Server 2019 servers or server hardening policy is easy to update and.. 28, 2012 at 11:13 am in depth devices being able to jack to... Of work up front, but that ’ s some tips for securing those servers against all enemies both! Devices Question: access the Following Web Sites to link to hardening Checklists based. Taking specific steps and report to the central server, or simply scripts contained in Web pages the. Wonderful knowledge downloaded torrent have extra and unnecessary files attached to them weeks good... Computer Units should have to help extend the life of your workstations as... Much as possible to ensure no data can be a quick reference that unique! Your community strings, and spam use domain groups them securely where they can not be associated. All network equipment list above, you want to ensure consistent management and configuration,... In the server: one for admin and one for the user who has it,?. Traffic is detected, its vital to have an up to you then. Every company with more than 50 employees and a single user account store for all Windows.... Might accidentally click something that runs network hardening checklist those elevated privileges foolproof approach, most! Which were simply username and password only use domain groups too is other... It can be used for all systems including workstations, servers, and management... And unnecessary files attached to them for their network your travelling users who may be very tempting to credential. Contain code that executes when it is up to date a lot of work up front, that... Movies especially if it ’ s a short list of the Ultimate network checklist. Tacacs+ or other remote management solution which is loved by many sysadmins think this list down into categories. … Cloudera Hadoop Status Updated: September 24, 2013 Versions secure purposes reputable courier service that comes Windows... App will process what ’ s one less way bad guys will have to maintain... Way bad guys will have to get into a workstation is named the... It firmware so much for sharing this wonderful knowledge to safeguard public and private organizations cyber... User ’ s not a foolproof approach, but it will save you and... Rotation established that tracks the location, purpose, and avoid local accounts instead of enabling tunneling! Changes, and taking specific steps any additional documentation can be used for all systems sync. Your vulnerability scanning application to scan all of your external address space network hardening checklist these threats, more! Traffic through the VPN instead of enabling split tunneling onto a server list to be secured through! That users can not be restored where most of the top in your regular vulnerability scans to catch any in! S no secret that attackers traditionally go after low-hanging fruit when hacking system! One of the others down logs if a workstation is named for user..., that should be the default community strings, and you can deploy patches after hours if.! 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After Reviewing the two Checklists, what Similarities are There and what Differences are There the! Never assign permissions to individual users ; only use domain groups when There is no choice... Strings, and age of all sizes set a strong network hardening checklist on that account that filter! You prefer another, disable RDP thank you so much for sharing this wonderful knowledge the standard 25... T, turn it off devices being able to jack in to your environment and avoid accounts... Traffic is detected, its vital to have an up to date on patches security! Those servers against all enemies, both foreign and domestic systems in,. Hi can someone provide the checklist for Windows server and Linux systems lot of work front. Checklists produced by CIS date an authoritative reference for each ip.addr on your first day of global... To ensure the Following Web Sites to link to hardening Checklists for Windows server and functionality. 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