Limit number of SSH connections per user to 1

I want to successfully limit the number of SSH concurrent connections to 1 per user.

(without having to setup this limit on the port).

Maxsessions and maxlogins don't work.

All linux distro seems to allow concurrent ssh connections, unless you use iptables on a specific port.

I need to use 1 port only, and set this limit per user (basically for every user, except the root).

So John can have 1 concurrent connection max.

Lucy 1 concurrent connection max.


Навички: Linux, Адміністрування мережі, PHP, Shell Script, Системний адміністратор

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Про роботодавця:
( 1 відгук ) Milano, Italy

ID Проекту: #16350085

19 фрілансерів(-и) у середньому готові виконати цю роботу за €19


I know how to do it Please enter at least 100 [url removed, login to view] enter at least 100 [url removed, login to view] enter at least 100 [url removed, login to view] enter at least 100 characters.

€24 EUR за 1 день
(258 відгуків(и))
€24 EUR за 1 день
(35 відгуків(и))

I can do it without limiting on port.

€44 EUR за 1 день
(38 відгуків(и))

How many such users are there to whom you want to limit the number of connections. Do you want 1 connection\ for all added users or different numbers for different users. Both conditions are possible About myself Більше

€8 EUR за 1 день
(40 відгуків(и))

Hi: I have one idea. But I am bidding 30Euro for this. Lets see if that fits with you? I am working in scripting technologies for several years in several UNIX systems. Thanks!

€34 EUR за 1 день
(8 відгуків(и))

Hello we are an Internet Service Provider from the USA. When we have understood you correct you want that each user has his own port and can just connect 1 time to this port. Please feel free to discuss with us the top Більше

€12 EUR за 1 день
(9 відгуків(и))

Hi, I am a multimedia expert with Audio Video encoding/decoding experience in Linux/Android Domain C/C++/Java Expert. Delivered several projects on RPI, You can see my history. Actually working on a project right no Більше

€24 EUR за 0 дні(-в)
(6 відгуків(и))

You can set limit to max session per user in this config file: /etc/security/[url removed, login to view] (/etc/limits.d/[url removed, login to view]) May be located in different place according to distribution.

€10 EUR за 0 дні(-в)
(4 відгуків(и))

Hi, I have been a sysadmin, and had had to deal with such issues, my price might be higher than your budget, for a good reason: skills and experience cost more (for good delivery). Talk to you about this more if Більше

€55 EUR за 1 день
(1 відгук)

hi, in /etc/security/limits.conf. add this line: user - maxlogins 1 and in /etc/pam.d/system-auth-ac  add : session         required  [url removed, login to view]

€8 EUR за 1 день
(3 відгуків(и))
€9 EUR за 10 дні(-в)
(2 відгуків(и))

I can apply the requested limitations within 15 minutes which will prevent non root users more than the requested multiple logins limit. Once done I can advise you on how to recreate this limitation and manage it if Більше

€12 EUR за 1 день
(1 відгук)

Hi, Im a Computer Security expert and GNU/Linux - BSD sysadmin. I have more than 20 years of experience on the field I know how to solve your requirement. Please feel free to contact me to start working together Більше

€8 EUR за 0 дні(-в)
(1 відгук)

You can set a maximum number of logins in /etc/security/[url removed, login to view] for an user or a group of users. For example: Code: # echo "@loginrestriction - maxlogins 4" >> /etc/security/[url removed, login to view] # echo "username - Більше

€12 EUR за 1 день
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€8 EUR за 1 день
(0 відгуків(и))

Hi, Right, all Linux distro by default enable concurrent connections. But most of these values can be modified, for example, "number of open files in a system". I believe, the method used in one linux distro might Більше

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€22 EUR за 2 дні(-в)
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€12 EUR за 1 день
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Hello dear, I hope this proposal find you well, I saw your job posting online, I would like to request you please have a look into my previous works. I am a full-time freelancer with over 5 years of vast experience i Більше

€30 EUR за 3 дні(-в)
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