Upravlenie Komp Yuternoi Set Yu: Skaner Portov, Traceroute, SNMP, Monitoring Serverov, Modelirovanie Trafika, Zabbix, Lldp, Vps, Ping

Istochnik: Wikipedia. Stranitsy: 27. Glavy: Skaner portov, Traceroute, SNMP, Monitoring serverov, Modelirovanie trafika, Zabbix, LLDP, VPS, Ping, YAzyk operatsii 1, Netflow, Pathping, Nagios, Ipconfig, Sravnenie sistem monitoringa seti, Skanery uyazvimostyei, CFosSpeed, Openflow, Net-SNMP, Uche t trafika, Nmap, Monitoring komp yuternoi seti, Net Activity Diagram, Setevoi element, Fping, Generator paketov, Cacti, Iperf, HP OpenView, FCAPS, Sistema upravleniya IT-infrastrukturoi, Shyei ping, Open vSwitch, Ekho, Desktop Management Interface, Arping, Konstruktor paketov, RTT. Vyderzhka: Ska ner porto v - programmnoe sredstvo, razrabotannoe dlya poiska khostov seti, v kotorykh otkryty nuzhnye porty. Eti programmy obychno ispol zuyut.sya sistemnymi administratorami dlya proverki bezopasnosti ikh setyei i zloumyshlennikami dlya vzloma seti. Mozhet proizvodit sya poisk kak ryada otkrytykh portov na odnom khoste, tak i odnogo opredele nnogo porta na mnogikh khostakh. Poslednyee kharakterno dlya dyeyatel nosti ryada setevykh chervyei . Sam protsess nazyvaet.sya skani rovaniem portov ili (v sluchae, kogda osushchestvlyaet.sya proverka mnogikh khostov) skanirovaniem seti . Skanirovanie portov mozhet yavlyat sya pervym shagom v protsesse vzloma ili preduprezhdeniya vzloma, pomogaya opredelit potentsial nye tseli ataki. S pomoshch yu sootvet.stvuyushchego instrumentariya putem otpravleniya paketov dannykh i analiza otvetov mogut byt issledovany rabotayushchie na mashine sluzhby (Web-server, FTP-server, mail-server, i t. d.), ustanovleny nomera ikh versii i ispol zuemaya operatsionnaya sistema. Samym rasprostrane nnym v Internete stekom protokolov v nastoyashchyee vremya yavlyaet.sya TCP/IP. Sluzhby, nakhodyashchiesya na khostakh, adresuyut.sya dvumya identifikatorami: IP-adresom i nomerom porta. Sushchestvuet 65536 vozmozhnykh nomerov portov. Bol shinstvo servisov ispol zuyut ogranichennyi nabor nomerov portov (nomer porta zakreplyaet.sya organizatsiyei IANA v sluc...