03-25-2006
Solaris 8 to many open port
hi all,
My OS is solaris 8 with core system installation only. so far everything works fine. by i do some testing from my xp pc as client to nmap and scan opening port to my solaris. the result as below:
Initiating SYN Stealth Scan against 10.10.10.10 [1672 ports] at 16:25
Discovered open port 21/tcp on 10.10.10.10
Discovered open port 23/tcp on 10.10.10.10
Discovered open port 22/tcp on 10.10.10.10
Discovered open port 540/tcp on 10.10.10.10
Discovered open port 32771/tcp on 10.10.10.10
Discovered open port 79/tcp on 10.10.10.10
Discovered open port 13/tcp on 10.10.10.10
Discovered open port 7/tcp on 10.10.10.10
Discovered open port 32777/tcp on 10.10.10.10
Discovered open port 513/tcp on 10.10.10.10
Discovered open port 32778/tcp on 10.10.10.10
Discovered open port 111/tcp on 10.10.10.10
Discovered open port 32779/tcp on 10.10.10.10
Discovered open port 514/tcp on 10.10.10.10
Discovered open port 37/tcp on 10.10.10.10
Discovered open port 4045/tcp on 10.10.10.10
Discovered open port 32780/tcp on 10.10.10.10
Discovered open port 515/tcp on 10.10.10.10
Discovered open port 9/tcp on 10.10.10.10
Discovered open port 512/tcp on 10.10.10.10
Discovered open port 19/tcp on 10.10.10.10
Discovered open port 7100/tcp on 10.10.10.10
The SYN Stealth Scan took 3.84s to scan 1672 total ports.
For OSScan assuming port 7 is open, 1 is closed, and neither are firewalled
Host 10.10.10.10 appears to be up ... good.
Interesting ports on 10.10.10.10:
(The 1650 ports scanned but not shown below are in state: closed)
PORT STATE SERVICE
7/tcp open echo
9/tcp open discard
13/tcp open daytime
19/tcp open chargen
21/tcp open ftp
22/tcp open ssh
23/tcp open telnet
37/tcp open time
79/tcp open finger
111/tcp open rpcbind
512/tcp open exec
513/tcp open login
514/tcp open shell
515/tcp open printer
540/tcp open uucp
4045/tcp open lockd
7100/tcp open font-service
32771/tcp open sometimes-rpc5
32777/tcp open sometimes-rpc17
32778/tcp open sometimes-rpc19
32779/tcp open sometimes-rpc21
32780/tcp open sometimes-rpc23
Question: What is the best way to prevent this?...I only open for ssh and ftp only. What kinda firewall solaris mostly use?
thanks
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LEARN ABOUT OSF1
services
services(4) Kernel Interfaces Manual services(4)
NAME
services - Defines the sockets and protocols used for Internet services
SYNOPSIS
/etc/services
DESCRIPTION
The /etc/services file associates Internet service names and aliases with the port number and protocol used by the service. Each service
is listed in this file on a single line of the form: ServiceName PortNumber/ProtocolName Aliases
The fields contain the following information: The official Internet service name. The socket port number used for the service and the
transport protocol used for the service. A list of unofficial service names.
Items on a line are separated by spaces or tabs. Comments begin with a # (number sign) and continue to the end of the line.
EXAMPLES
Entries in the /etc/services file for the inetd internal services might look like this: echo 7/tcp echo 7/udp discard
9/tcp sink null discard 9/udp sink null daytime 13/tcp daytime 13/udp chargen 19/tcp ttytst source
chargen 19/tcp ttytst source ftp 21/tcp time 37/tcp timeserver time 37/udp timeserver
RELATED INFORMATION
Functions: endservent(3), getservbyname(3), getservbyport(3), getservent(3), setservent(3)
The RFC923 specification. delim off
services(4)