- Suddenlink blocks the following ports: 135-139 UDP/TCP, 445. This is done by recommendation from the Department of Homeland Security.
- Anti Spam - Suddenlink provides spam filtering for domain email owned by Suddenlink. Anti-spam filters are not all inclusive and may require additional filtering on Customer premises. Contact Suddenlink for more details at 800.490.9604.
- Anti-Spyware - Suddenlink does not provide or support anti-spyware software. Anti-spyware programs are the sole responsibility of the end-user.
- Anti-Virus - Suddenlink provides viral protection at the server level only. Only Suddenlink owned domains are scanned for viruses. This virus protection is not all-inclusive. Additional scanning is the responsibility of the end-user and is best accomplished by using software intended for that purpose.