, Web-, Internet- . , , , Internet , .
DDoS (Distributed Denial of Service) . .
, .
, , , , . , . . , , .
, , . , , . , ‑ . ( , ).
, ( ). . , , . , . .
1
1. .
2. ?
3. DNS-. DNS-.
1
1. , ?
1) FTP;
2) SSL;
3) UDP.
2. IP- Ethernet- , ?
1) ICMP;
2) ARP;
3) SMTP.
3. DNS :
1) ;
2) DDoS ;
3) .
4. ?
1) ;
2) .
2
firewall [1] . , , . , . - , .
|
|
: - , . , . , .
(packet filter), , proxy- (application proxy), .
, , . , , , . , , , .
. , , . ,
(caching) , Web- , Internet. , ;
(address translation). IP-. ;
(content restriction). , Internet, URL, , ;
(address vectoring). , , HTTP , IP-, . , .
|
|
, . , IP- , . , . . IP .