md5 digest

Design 　　 SummaryThis paper studies the functional requirements of the identity authentication system of Hunan Tietong broadband portal, and puts forward a set of comprehensive solutions from the aspects of unified authentication, authentication

The BGP protocol runs on top of TCP and, as a result, it inherits all vulnerabilities of TCP connections. For example, in a BGP session, an attacker could impersonate a legitimate BGP neighbor, and then persuade the BGP router on the other end to

One, share = free? Along with the internet, the "Sharing + registration" model is increasingly becoming the main means for programmers to release their own software, but the resulting means of cracking more and more sophisticated. How to protect

(1) interconnection between the VLAN: single-arm routing (2) Each PC can automatically obtain IP address: DHCP (3) Two switches require VLAN2 to go above, VLAN3 go below: STP load Balancing (4) SW2 can learn from SW1 VLAN related information: