连接到Amazon EC2上远程PostgreSQL服务器 [英] Connect to remote postgresql server on amazon ec2

问题描述

我开始一个Amazon EC2实例，并安装PostgreSQL的9.1在它。然后我去了 安全组：快速启动-1 （有一个更 default`，我并没有改变），并开通了5432 TCP端口，表看起来是这样的：

I started an amazon ec2 instance, and installed postgresql 9.1 over it. I then went to the Security Group: quicklaunch-1(there was one moredefault` which i did not change) and opened the 5432 TCP Port, the table looks like this:

(Service)   Source  Action
22        0.0.0.0/0         Delete
5432      0.0.0.0/32    Delete
5433      0.0.0.0/32    Delete
6432      0.0.0.0/32    Delete

我创建了一个数据库和用户。 我的 /etc/postgresql/9.1/main/pg_hba.conf 是这样的：

I have created a database and user . My /etc/postgresql/9.1/main/pg_hba.conf looks like this:

# Database administrative login by Unix domain socket
local   all             postgres                                peer

# TYPE  DATABASE        USER            ADDRESS                 METHOD
host    all             all             0.0.0.0/0               md5
host    db_name         user_name       0.0.0.0/0               md5

# "local" is for Unix domain socket connections only
local   all             all                                     peer
# IPv4 local connections:
host    all             all             127.0.0.1/32            md5
# IPv6 local connections:
host    all             all             ::1/128                 md5
# Allow replication connections from localhost, by a user with the
# replication privilege.
#local   replication     postgres                                peer
host    replication     postgres        127.0.0.1/32            md5
host    replication     postgres        ::1/128                 md5

和 /etc/postgresql/9.1/main/postgresql.conf 是这样的：

# - Connection Settings -
listen_addresses = '*'
#listen_addresses = 'localhost'         # what IP address(es) to listen on;
                                        # comma-separated list of addresses;
                                        # defaults to 'localhost', '*' = all
                                        # (change requires restart)
port = 5432                             # (change requires restart)

然后我尝试在连接到远程计算机，如下所示：

I then try to connect on to the remote machine as follows:

psql -h ec2-xxx-xx-xxx-xxx.compute-1.amazonaws.com -d <database_name> -U <username>

其中 ec2-xxx-xx-xxx-xxx.compute-1.amazonaws.com 我公开DNS

上面的命令不会导致任何连接，我该怎么连接？

The above command does not result in any connection, how can i connect?

推荐答案

在此表中：

5432      0.0.0.0/32    Delete
5433      0.0.0.0/32    Delete
6432      0.0.0.0/32    Delete 

在CIDRs看起来像你没有让任何IP地址。难道他们不应该是 0.0.0.0/0 代替，就像你所拥有的端口22（SSH ）？

the CIDRs look like you're not allowing any IP in. Shouldn't they be 0.0.0.0/0 instead, like what you have for port 22 (ssh)?

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