[stunnel-users] /etc/hosts setting
White Little
jaymainal at gmail.com
Mon Apr 16 10:11:42 CEST 2018
Hi All
I found a interesting issue with /etc/hosts setting in different Linux
system.
My stunnel.conf setting like below
[HOST]
cert = client.crt
key = client.key
CAfile = server.crt
client = yes
accept = 10.160.160.88:57853
connect = 10.136.160.21:3520
I would like to connect server 10.136.160.21:3520 via stunnel
10.160.160.88:57853
Part A
If my hostname and /etc/hosts setting in different System as followings
all will works well
1. CentOS 7 32bit
$hostname
localhost.localdomain
$ cat /etc/hosts
127.0.0.1 localhost localhost4 localhost4.localdomain4
10.136.160.88 localhost.localadmin
2. Redhat 7 64bit
$hostname
localhost.localdomain
$ cat /etc/hosts
127.0.0.1 localhost localhost4 localhost4.localdomain4
10.136.160.88 localhost.localadmin
3. Ubuntu15.10 64bit
$hostname
virtual-machine
$ cat /etc/hosts
127.0.0.1 localhost
10.136.160.88 virtual-machine
Part B.
If the "127.0.0.1" include the hostname in /etc/hosts, both CentOS and
Fedora will fail, but Ubuntu still work
1. CentOS 7 32bit
$hostname
localhost.localdomain
$ cat /etc/hosts
127.0.0.1 localhost* localhost.localdomain* localhost4
localhost4.localdomain4
10.136.160.253 localhost.localdomain
2. Redhat 7 64bit
$hostname
localhost.localdomain
$ cat /etc/hosts
127.0.0.1 localhost *localhost.localdomain* localhost4
localhost4.localdomain4
10.136.160.88 localhost.localadmin
3. Ubuntu15.10 64bit
$hostname
virtual-machine
$ cat /etc/hosts
127.0.0.1 localhost *virtual-machine*
10.136.160.88 virtual-machine
I think it maybe not a stunnel issue, but I'd like to know why it has
different behavior
Thanks
Jay
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