Rodei um nmap externo com destino a Endeian e fiquei assustado.
nmap -T4 -A -v -Pn 189.47.204.199
Starting Nmap 5.51 ( http://nmap.org ) at 2011-05-12 23:07 Hora oficial do Brasil
NSE: Loaded 57 scripts for scanning.
Initiating Parallel DNS resolution of 1 host. at 23:07
Completed Parallel DNS resolution of 1 host. at 23:07, 0.06s elapsed
Initiating SYN Stealth Scan at 23:07
Scanning 189-47-204-199.dsl.telesp.net.br (189.47.204.199) [1000 ports]
Discovered open port 110/tcp on 189.47.204.199
Discovered open port 80/tcp on 189.47.204.199
Discovered open port 995/tcp on 189.47.204.199
Discovered open port 2222/tcp on 189.47.204.199
Completed SYN Stealth Scan at 23:07, 5.03s elapsed (1000 total ports)
Initiating Service scan at 23:07
Scanning 4 services on 189-47-204-199.dsl.telesp.net.br (189.47.204.199)
Service scan Timing: About 50.00% done; ETC: 23:08 (0:00:51 remaining)
Service scan Timing: About 75.00% done; ETC: 23:09 (0:00:40 remaining)
Completed Service scan at 23:09, 121.00s elapsed (4 services on 1 host)
Initiating OS detection (try #1) against 189-47-204-199.dsl.telesp.net.br (189.47.204.199)
Retrying OS detection (try #2) against 189-47-204-199.dsl.telesp.net.br (189.47.204.199)
Initiating Traceroute at 23:09
Completed Traceroute at 23:09, 0.01s elapsed
NSE: Script scanning 189.47.204.199.
Initiating NSE at 23:09
Completed NSE at 23:09, 27.08s elapsed
Nmap scan report for 189-47-204-199.dsl.telesp.net.br (189.47.204.199)
Host is up (0.00088s latency).
Not shown: 996 filtered ports
PORT STATE SERVICE VERSION
80/tcp open http-proxy Squid webproxy 2.6.STABLE22
| http-open-proxy: Potentially OPEN proxy.
|_Methods supported: GET HEAD
110/tcp open pop3?
995/tcp open pop3s?
2222/tcp open ssh OpenSSH 5.5p1 Debian 4ubuntu5 (protocol 2.0)
| ssh-hostkey: 1024 86:99:b6:b5:72:05:53:c2:a7:0a:11:f7:14:87:f9:ff (DSA)
|_2048 9b:4d:fc:2a:0b:2d:a0:b6:1e:9e:42:42:67:d7:28:67 (RSA)
Warning: OSScan results may be unreliable because we could not find at least 1 open and 1 closed port
Device type: firewall|WAP|broadband router
Running (JUST GUESSING): Endian Linux 2.4.X (92%), IPCop Linux 2.4.X (92%), USRobotics embedded (88%), Linux 2.6.X (87%)
Aggressive OS guesses: Endian 2.3 or IPCop firewall 1.4.10 – 1.4.21 (Linux 2.4.31 – 2.6.22) (92%), USRobotics USR5450 WAP (88%), OpenWrt Kamikaze 8.09 (Linux 2.6.25.20) (87%)
No exact OS matches for host (test conditions non-ideal).
Network Distance: 1 hop
TCP Sequence Prediction: Difficulty=206 (Good luck!)
IP ID Sequence Generation: All zeros
Service Info: OS: Linux
TRACEROUTE (using port 110/tcp)
HOP RTT ADDRESS
1 0.00 ms 189-47-204-199.dsl.telesp.net.br (189.47.204.199)
Read data files from: C:Arquivos de programasNmap
OS and Service detection performed. Please report any incorrect results at http://nmap.org/submit/ .
Nmap done: 1 IP address (1 host up) scanned in 159.77 seconds
Raw packets sent: 2094 (97.272KB) | Rcvd: 42 (1.812KB)
Até a chave do ssh mostrou!!!!
Tem como melhorar a segurança, só preciso das portas do ssh e 3389 liberadas.
o engraçado que a porta 22 do Endian não mostrou com aberta, mas mostrou a porta 2222 de um servidor Linux atraz do Endian Firewall.
ABraço