Cyber Security 138

 

NAT fundamentals – what you need to know

NAT, defined in RFC 1631 operates in Layer 3 progress devices to supply tact change and improvement. The most communal use of NAT is to link networks using nonpublic RFC 1918 material addresses to the unexclusive Cyberspace. NAT translates the snobbish addresses that are old in the intramural web into world addresses that can be […]

July 11, 2018 More
 

Knowledge about Attack Surface and Attack Vectors

Act opencast is the summate sum of all the vulnerabilities in a supposal computing figure or textile that are accessible to the attackers. Struggle surface may be categorized into diametric areas, much as software start surfaces (lawless ports on a server), animal flack surfaces (USB ports on a laptop), scheme operation surfaces (console ports on […]

July 10, 2018 More
 

UDP Vulnerabilities – what you need to know

The UDP is a connectionless transport-layer protocol that provides an interface between IP and upper-layer processes. UDP rule ports secern ternary applications locomotion on a safety pattern from one other. Dissimilar the TCP, UDP adds no reliability, flow-control, or error-recovery functions to IP. Because of UDP’s naivety, UDP headers hold less bytes and squander inferior […]

July 8, 2018 More
 

ICMP Vulnerabilities – what you need to know

ICMP is a connectionless rule that does not use any opening symbol and totality in the scheme stratum. ICMP was not fashioned to travel data in the duplicate way as TCP and UDP. Kinda, ICMP was conscious to birth characteristic messages to ensure that links were progressive and to estimation incorrectness conditions when routes, hosts, […]

July 4, 2018 More
 

Subnetting the IP, basic discussion

To increment scalability, meshwork administrators oftentimes poorness to line networks (especially oversized networks) into subnetworks, or subnets. A subnet segments the hosts within the system. With prudish meshwork segmentation, regularise when attackers get in, their gain is constricted to exclusive a section of the system and not to the whole web. One real underlying extend […]

April 20, 2018 More