Problem NIS (porty)

[system]

Wyniki :

Port Description Status ICMP Ping Ping. Ping is a network troubleshooting utility. It asks your computer to acknowledge its existence. If your computer responds positively to a ping, hackers are more likely to target your computer. Open port 21 FTP (File Transfer Protocol). FTP is used to transfer files between your computer and other computers. Port 21 should be open only if you’re running an FTP server. Closed port 22 SSH. TCP connections to this port might indicate a search for SSH, which has a few exploitable features. SSH is a secure replacement for Telnet. The most common uses of SSH are to securely login and copy files from a server. Open port 23 Telnet. Telnet can be used to log into your computer from a terminal anywhere in the world. This port should be open only if you’re running a Telnet server. Closed port 25 SMTP (Simple Mail Transfer Protocol). A protocol for host-to-host mail transport. This port should be open only if you’re running a mail server. Closed port 79 Finger. Finger is an Internet utility that allows someone to obtain information about you, including your full name, logon status, and other profile information. Closed port 80 HTTP (Hypertext Transfer Protocol). HTTP is used to transfer Web pages over the Internet. Port 80 should be open only if you’re running a Web server. Open port 110 POP3 (Post Office Protocol). Internet mail servers and mail filter applications use this port. This port should be open only if you’re running a mail server. Closed port 113 Ident / Authentication. This service is required by some mail, news, or relay chat servers to allow access. A stealth result on this port could cause performance problems. Stealth port 119 NNTP (Network News Transfer Protocol). A service used by News servers to distribute Usenet articles to newsreader applications and between other servers. Closed port 135 Location service (loc-srv). This port is used to direct RPC (Remote Procedure Calls) services to the appropriate dynamically mapped ports. Hackers can use this to determine which port is used by several Windows services. This port should not be visible from the Internet. Stealth port 139 NetBIOS. NetBIOS is used for Windows File & Print sharing. If port 139 is open, your computer is open to sharing files over the Internet. Other components of NetBIOS can expose your computer name, workgroup, user name, and other information. To learn more about preventing connections to your NetBIOS ports, see: NetBIOS Information and Configuration Instructions Stealth port 143 IMAP (Internet Message Access Protocol). IMAP is a sophisticated protocol for electronic mail delivery. This port should be open only if you’re running an IMAP server. Closed port 443 HTTP over TLS/SSL. A protocol for providing secure HTTP communication. It should be open only if you’re running a Web server. Closed port 445 Windows NT / 2000 SMB. A standard used to exchange Server Message Blocks, and can be exploited in multiple ways, including gaining your passwords. Stealth port 1080 SOCKS. This protocol allows computers access to the Internet through a firewall. It is used when one IP address is shared among several computers. Generally this protocol only allows access out to the Internet. However, it is frequently configured incorrectly to allow hackers to pass traffic inwards through the firewall. Closed port 1723 PPTP (Point-to-Point Tunneling Protocol). This service is used for virtual private networking connections. Closed port 5000 UPnP (Universal Plug and Play). This service is used to communicate with any UPnP devices attached to your network. Closed port 5631 pcAnywhere. This port is used by Symantec pcAnywhere when in host mode. Closed port

Są to wyniki testu Symantecu z NIS 2005

Czy te porty maja być otwarte a jeśli nie to jak je zamknąć ??

Nie bardzo wiem co i jak w tym

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