quinta-feira, 7 de maio de 2009

DNS

DNS Google:
8.8.8.8
8.8.4.4

DNS CTBC
200.225.197.34
200.225.197.37

DNS GigaDns:
189.38.95.95
189.38.95.96

DNS OpenDNS:
208.67.222.222
208.67.220.220

DNS Brasil Telecom
208.67.222.200

DNS Optiglobe:
200.185.6.131
200.185.6.163

DNS Intelig: (só respondem na rede da Intelig)
200.184.26.3
200.184.26.4

DNS da telefonica (LP de dados)
200.153.0.68
200.153.0.196

DNS da uol.com.br
200.221.11.100
200.221.11.101

DNS da speedy
200.204.0.10
200.204.0.138

OBS: Mais informações voce encontra no site: http://www.abusar.org/dns.html

terça-feira, 5 de maio de 2009

Sites uteis para quem trabalha com wireless.

Cálculo de PoE
Cálculo de perda por espaço livre
Conversor de dB para mW
Cálculo margem de Link
Atenuação em cabos RF
Atenuação em cabos LMR
Cálculo de EIRP
Cálculo de Tilt de Antena
Consulta Anatel de produltos Homologados e Certificados

Site onde voce encontra o fabricante atravez do MAC.

http://www.coffer.com/mac_find/

Algumas das principais portas, protocolo e serviço correspondente.

Port/Protocol Description

20/tcp File Transfer Protocol FTP [Data Connection]
21/tcp File Transfer Protocol FTP [Control Connection]
22/tcp Secure Shell SSH remote Login Protocol (Only with security package)
23/tcp Telnet protocol
53/tcp Domain Name Server DNS
53/udp Domain Name Server DNS
67/udp Bootstrap Protocol or DHCP Server (only with dhcp package)
68/udp Bootstrap Protocol or DHCP Client (only with dhcp package)
80/tcp World Wide Web HTTP
123/udp Network Time Protocol NTP (Only with ntp package)
161/udp Simple Network Menagment Protocol SNMP (Only with snmp package)
443/tcp Secure Socket Layer SSL encrypted HTTP(Only with hotspot package)
500/udp Internet Key Exchange IKE protocol (Only with ipsec package)
514/udp Syslog server on MikroTik Dude Network Monitor Service (Only with MikroTik Dude package)
520/udp Routing Information Protocol RIP (Only with routing package)
521/udp Routing Information Protocol RIP (Only with routing package)
179/tcp Border Gateway Protocol BGP (Only with routing package)
1080/tcp SOCKS proxy protocol
1194/tcp Open Virtual Private Network OVPN (Only with ppp package)
1701/udp Layer 2 Tunnel Protocol L2TP (Only with ppp package)
1718/udp H.323 Gatekeeper Discovery (Only with telephony package)
1719/tcp H.323 Gatekeeper RAS (Only with telephony package)
1720/tcp H.323 Call Setup (Only with telephony package)
1723/tcp Point-to-Point Tuneling Protocol PPTP (Only with ppp package)
1731/tcp H.323 Audio Call Control (Only with telephony package)
1812/udp RADIUS Authentication Remote Access Dial in User service Authencitation
1813/udp RADIUS Accounting Remote Access Dial in User service Accounting
1900/udp Universal Plug and Play uPnP
1966/udp MME Mesh Made Easy Dynamic Mesh Protocol Origninator Messages (based on BATMAN)
1968/tcp MME Mesh Made Easy Dynamic Mesh Protocol Gateway Protocol(based on BATMAN)
2828/tcp Universal Plug and Play uPnP
2000/tcp Bandwidth-test server
2210/tcp MikroTik Dude Management Console Service (Only with MikroTik Dude)
2211/tcp Secure MikroTik Dude Management Console Service (Only with MikroTik Dude)
3986/tcp Proxy for winbox
3987/tcp SSL proxy for secure winbox (Only with security package)
5678/udp MikroTik Neighbor Discovery Protocol
8080/tcp HTTP Web proxy (Only with web-proxy package)
8291/tcp Winbox
20561/udp MAC winbox
5000+/udp H.323 RTP Audio Streem (Only with telephony package)
/1 ICMP - Internet Control Message Protocol
/4 IP - IP in IP (encapsulation)
/47 GRE - General Routing Encapsulation (Only for PPTP and EoIP)
/50 ESP - Encapsulating Security Payload for IPv4 (Only with security package)
/51 AH - Authentication Header for IPv4 (Only with security package)
/89 OSPFIGP - OSPF Interior Gateway Protocol
/112 VRRP - Virtual Router Redundancy Protocol

No site abaixo tem uma lista completa de todas as portas.
http://pt.wikipedia.org/wiki/Lista_de_portas_de_protocolos

Site para calcular a sua network.

http://jodies.de/ipcalc

domingo, 3 de maio de 2009

Quer ver varias cameras IP´s no mundo todo?

Basta digitar essa linha (abaixo) no google e clickar nos links.
Da para ver camera de transito, bares, aeroportos e casas.

inurl:view/index.shtml