查看完整版本 : Ssh access

ryanNL 2016-11-10 09:22 PM

Ssh access

大家點鎖?
iptables drop?
sshd_config AllowUsers?
key?

toylet 2016-12-23 09:46 PM

若大大不會兮街 SSH 屋企, 可以就咁 drop!

Using Putty on Windows to login Linux securely via OpenSSH
[url=https://sites.google.com/site/changmw/foxpro/linux/openssh_putty]https://sites.google.com/site/changmw/foxpro/linux/openssh_putty[/url]

[[i] 本帖最後由 toylet 於 2016-12-23 09:47 PM 編輯 [/i]]

ryanNL 2016-12-23 09:53 PM

等左一個月至有人回

toylet 2016-12-23 10:16 PM

大大都兮靠 Google 啦.... 用英文 keywords! :smile_38:
玩 Linux 一定要學自己搵食....

[[i] 本帖最後由 toylet 於 2016-12-23 10:35 PM 編輯 [/i]]

ryanNL 2016-12-23 10:20 PM

Just search putty in play store
the top left is developed by Chinese

ryanNL 2016-12-23 10:22 PM

I m looking for ways to secure my box

ryanNL 2016-12-23 10:22 PM

Thanks selinux pops up

toylet 2016-12-23 10:36 PM

Well... I don't use apps. I am using Putty for Window$ PC.... :smile_30:

toylet 2016-12-23 10:37 PM

Just make sure that  the default iptables policy is DROP!
Then open specified ports that have services.

ryanNL 2016-12-23 10:38 PM

[quote]原帖由 [i]toylet[/i] 於 2016-12-23 10:37 PM 發表 [url=http://www.discuss.com.hk/redirect.php?goto=findpost&pid=453682426&ptid=26232488][img]http://www.discuss.com.hk/images/common/back.gif[/img][/url]
Just make sure that  the default iptables policy is DROP!
Then open specified ports that have services. [/quote]


I ve used all three at the top
just wonder if there is more

ryanNL 2016-12-23 10:40 PM

[quote]原帖由 [i]toylet[/i] 於 2016-12-23 10:36 PM 發表 [url=http://www.discuss.com.hk/redirect.php?goto=findpost&pid=453682366&ptid=26232488][img]http://www.discuss.com.hk/images/common/back.gif[/img][/url]
Well... I don't use apps. I am using Putty for Window$ PC.... :smile_30: [/quote]


Notebook is too heavy. i m just a causal usr
and i dont work when shopping

[[i] 本帖最後由 ryanNL 於 2016-12-23 10:41 PM [url=http://www.discuss.com.hk/android][img=100,23]http://i.discuss.com.hk/d/images/r10/androidD.jpg [/img][/url] 編輯 [/i]]

toylet 2016-12-23 10:48 PM

[quote]原帖由 [i]ryanNL[/i] 於 2016-12-23 22:38 發表 [url=http://computer.discuss.com.hk/redirect.php?goto=findpost&pid=453682495&ptid=26232488][img]http://computer.discuss.com.hk/images/common/back.gif[/img][/url]
I ve used all three at the top
just wonder if there is more [/quote]
An old tutorial on iptables from Linux Journal:

Taming the Wild Netfilter
[url=http://www.linuxjournal.com/article/4815]http://www.linuxjournal.com/article/4815[/url]

ryanNL 2016-12-23 10:55 PM

[quote]原帖由 [i]toylet[/i] 於 2016-12-23 10:48 PM 發表 [url=http://www.discuss.com.hk/redirect.php?goto=findpost&pid=453682884&ptid=26232488][img]http://www.discuss.com.hk/images/common/back.gif[/img][/url]

An old tutorial on iptables from Linux Journal:

Taming the Wild Netfilter
http://www.linuxjournal.com/article/4815 [/quote]


This old is really old and not suitable to me. too complicated
i m switching from firewalld
iptables syntax is enough nightmare

toylet 2016-12-23 11:00 PM

[quote]原帖由 [i]ryanNL[/i] 於 2016-12-23 22:55 發表 [url=http://computer.discuss.com.hk/redirect.php?goto=findpost&pid=453683217&ptid=26232488][img]http://computer.discuss.com.hk/images/common/back.gif[/img][/url]
This old is really old and not suitable to me. too complicated
i m switching from firewalld
iptables syntax is enough nightmare [/quote]If you had time, no harming reading it. firewalld is still using iptables commands. So understanding the basics of iptables will help you use firewalld.

Anyway, Google "fedora firewalld tutorial". Some results:
[url]http://www.tecmint.com/configure-firewalld-in-centos-7/[/url]
[url]https://www.hogarthuk.com/?q=node/9[/url]

ryanNL 2016-12-23 11:04 PM

[quote]原帖由 [i]toylet[/i] 於 2016-12-23 11:00 PM 發表 [url=http://www.discuss.com.hk/redirect.php?goto=findpost&pid=453683440&ptid=26232488][img]http://www.discuss.com.hk/images/common/back.gif[/img][/url]
If you had time, no harming reading it. firewalld is still using iptables commands. So understanding the basics of iptables will help you use firewalld.

Anyway, Google "fedora firewalld tutorial".  ... [/quote]


Firewalld is for beginer, i think.
when complex rule required, rich language just dump your iptable cmd to the system
then why not go straight to iptables

toylet 2016-12-23 11:06 PM

[quote]原帖由 [i]ryanNL[/i] 於 2016-12-23 23:04 發表 [url=http://computer.discuss.com.hk/redirect.php?goto=findpost&pid=453683668&ptid=26232488][img]http://computer.discuss.com.hk/images/common/back.gif[/img][/url]
Firewalld is for beginer, i think.
when complex rule required, rich language just dump your iptable cmd to the system
then why not go straight to iptables [/quote]Firewalld is just some wrapper scripts over iptables, very much like Webmin!
Anyway, take your time in learning Linux. DO NOT bet on Linux for a better career. It's not there yet!

[[i] 本帖最後由 toylet 於 2016-12-23 11:08 PM 編輯 [/i]]

ryanNL 2016-12-23 11:15 PM

I hv a very nice neighbor who keeps cracking my wi fi
since then he help uplift my skill too

toylet 2016-12-23 11:36 PM

[quote]原帖由 [i]ryanNL[/i] 於 2016-12-23 23:15 發表 [url=http://computer.discuss.com.hk/redirect.php?goto=findpost&pid=453684169&ptid=26232488][img]http://computer.discuss.com.hk/images/common/back.gif[/img][/url]
I hv a very nice neighbor who keeps cracking my wi fi
since then he help uplift my skill too [/quote]You talking about wireless routers? Step up the security then. At least, turn off WPS.

ryanNL 2016-12-23 11:37 PM

Its no use. he use soap
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