Shane Ambler napisal(a): > On 19/9/2006 22:41, "Lukasz" <fatmouse@xxxxxxxxx> wrote: > > > Hello, > > > > I would like to install a PostgreSQL. I know how to manage the database > > itself, creae databases, user, groups and so on. But I don't know how > > to allow other users, who are outside LAN to connect to database > > through Internet. > > > > For example, my external IP is xxx.xxx.xxx.xxx, and my IP in the local > > network is yyy.yyy.yyy.yyy. I want to install PostgreSQL on the > > computer with yyy.yyy... What and where I need to configure to have > > access to my database from Internet? > > > I will assume that you want to allow normal psql client access and not > through a web server. > > There is two places you will need to configure. > > One is your router - you will need to setup port forwarding . The default > port for connecting to the PostgreSQL server is 5432 so the router will need > to forward any incoming requests on tcp port 5432 to tcp port 5432 at > server address yyy.yyy.yyy.yyy (your PostgreSQL server address) > If you have configured a different port then adjust accordingly. > This is a common configuration option and shouldn't be hard to find. > > Second you will need to configure PostgreSQL to accept connections from > outside your network. This is done in pg_hba.conf which is in your data > folder by default. > If you currently connect to the server from another machine on your network > you will have a line similar to > host all all yyy.yyy.yyy.yyy/24 md5 > > To allow PostgreSQL to accept outside connections you will add another line > such as > host all all zzz.zzz.zzz.zzz/32 md5 > > Where zzz.zzz.zzz.zzz is the ip address of the remote computer that wants to > connect. > The pg_hba.conf file has notes explaining these entries or you can read up > the docs at > http://www.postgresql.org/docs/8.1/static/client-authentication.html > > Basically this entry says you are willing to accept network connections from > another computer and how they are allowed to connect and which databases > they can connect to. > If you allow connections from anywhere then anyone has the chance of getting > into your database. > It is preferable to only allow connections from a specific ip address but if > they don't have a static ip address you won't be able to do that. If they > have a dynamic ip address one suggestion is try and limit them to > connections from the isp they are connecting from instead of just any > computer in the world. > > -- > > Shane Ambler > Postgres@xxxxxxxxxxxxxxxx > > Get Sheeky @ http://Sheeky.Biz > > > > ---------------------------(end of broadcast)--------------------------- > TIP 2: Don't 'kill -9' the postmaster I will connect to my PostgreSQL by an Java applet, as also, from time to time, by PGAdmin.