> > --jQIvE3yXcK9X9HBh > Content-Type: text/plain; charset=us-ascii > Content-Disposition: inline > Content-Transfer-Encoding: quoted-printable > > On Mon, May 21, 2001 at 10:29:35PM +0200, Daniel de los Reyes wrote: > > This is the output I get from nmap about things I am not sure what to do > > about: > >=20 > > 9 open tcp discard > > discard is /dev/null for networks. Generally not needed expecially if > you are worried about attcks. > > > 13 open tcp daytime > > Prints the current date in a string form (e.g."Mon May 21 16:28:43 > 2001") ... generally not needed. > > > 37 open tcp time > > Outputs the current time as seconds sine the epoch in machine readable > form. Can be useful if network clients expect the service for crude > time synchronisation (some windows clients can use this service). > Otherwise not generally needed. > > > 113 open tcp auth > > The infamous "IDENT" protocol. Totally worthless IMO but most IRC > servers require this port to be open and returning information. > Apparently some FTP servers require this service as well. >
I believe postgresql uses this as well. > > 119 open tcp nntp > > nntp is Network News Transport Service. Apparently you are running a > news server? (inn or cnews). Otherwise not needed. > =20 > > Can someone explain me what these services are and if I can safely > > turn them off? > > HTH, > > --=20 > Nathan Norman - Staff Engineer | A good plan today is better > Micromuse Ltd. | than a perfect plan tomorrow. > mailto:[EMAIL PROTECTED] | -- Patton > > --jQIvE3yXcK9X9HBh > Content-Type: application/pgp-signature > Content-Disposition: inline > > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v1.0.5 (GNU/Linux) > Comment: For info see http://www.gnupg.org > > iD8DBQE7CYq5F/RmbRyJNdgRAY+GAJ4s0ltWKcRI50Vb974XfyD6YIalGwCdHMFZ > hVwNxF9p3yFacuvkqzZeBXw= > =448b > -----END PGP SIGNATURE----- > > --jQIvE3yXcK9X9HBh-- > > > -- > To UNSUBSCRIBE, email to [EMAIL PROTECTED] > with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED] > -- Shaul Karl <[EMAIL PROTECTED]> Hillel used to say: If I am not for myself who will be for me? Yet, if I am for myself only, what am I? And if not now, when? (Ethics Of The Fathers 1:14)