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Meta
Category Archives: Network
VPN
Ne esistono di 4 tipologie: PPTP (Point to Point Tunneling Protocol) L2TP IpSec OpenVPN SSH
Posted in Network
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CIDR
Il CIDR (Classless Inter-Domain Routing) è una notazione particolare per indicare i range IP. Si può utilizzare il servizio di conversione fornito da sito web http://www.wolframalpha.com/ http://www.ipaddressguide.com/cidr Esempio: CIDR Range 172.27.95.0/22 Netmask 255.255.252.0 Wildcard Bits 0.0.3.255 First IP 172.27.92.0 Last … Continue reading
Posted in Network
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WiFi Detection
Uno strumento utilile per individuare le reti wifi e Wi-Fi Inspector realizzato dalla Xirrus. Per maggiori dettagli: http://www.xirrus.com http://www.snapfiles.com/downloads/xirruswifi/dlxirruswifi.html
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Centralized Client Management
Alcuni sistemi di centralizzazione per la gestione dei client in una rete (freeware e commercial): http://www.kace.com/ (Dell) http://www.opsi.org/it (Open Source)
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OID MIB device
Tramite l’utilità snmpwalk, si può risalite a tutti i codici OID che la periferica in rete può fornire. Da shell lanciare il seguente comando (di solito snmpwalk è già installato sui sistemi Unix). Questo elenca tutti i OID presenti per … Continue reading
Plugin Nagios Monitorig Printer SNMP
Un plugin molto utile per il monitoraggio delle stampanti di rete è il seguente realizzato da Yoann, per la versione 3.x di Nagios. download Per l’installazione: 1. Copiarlo nella cartella /usr/lib/nagios/plugins/ 2. Rinominare il file “check_snmp_printer.txt” in “check_snmp_printer” 3. Eseguire … Continue reading