Server :: Sendmail: Restrict Access Between Users?

Mar 16, 2011

How to prevent a user sending a mail to a particular user in an intranet mail server?I tried with /etc/mail/access file but could not.

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Software :: Sendmail Want To Restrict Some Users From Sending Mail Outside

Apr 22, 2010

I want to know is it possible in Sendmail to restrict some users from sending / receiving mail to / from outside world i.e. they should be able to send and receive mails only from local domain.

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Server :: Restrict 60 Mails Per Minute - Sendmail

May 4, 2010

I am having many mails transferred through my Sendmail server, so I want to configure it not to allow more than 60 mails to be sent by my sendmail server per minute. How to optimize my mail server's configuration.

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Server :: Can Restrict Sender And Receivers Email In Sendmail?

Dec 4, 2010

i have installed redhat 5.3 and install sendmail on it.it is working perfectly fine.my question is|:

(1) can i restrict the sender and receivers email in sendmail?eg. i want to do that i want to allow only particular email addresses to send and receive and all other will be discarded
(2) i made aliases for all user but it only receives received mail copy i want both sent and receive mail copy in aliases.

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Server :: Restrict FTP Users From Accessing 1 Folder Only

Jul 1, 2010

I'd like to restricting my ftp users to access 1 particular folder.

we have a root folder called /home everyone has aces to that so they can operate.

but then there is /home/config how can i restrict certain users from access /config folder, since this is containing sensitive files I would like for no one else but my self to be able to access it.

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Server :: Apache - Free Access From Lan Users And Password Access To Wan Users ?

Jun 26, 2009

Im trying to config my intranet to be accessible from inside the network (lan) without need of password and ask for a passwd for those who are viewing from Wan ....

Today my intranet can only be accessed from Lan, external access give me an Unauthorized message, I took look around, try #irc and still can get the appropriated help, I hope that someone here could help me on that...

A piece of my config:

Code:

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CentOS 5 Server :: Rssh Error Connection Closed - Restrict The Users To Scp And Sftp

Aug 6, 2011

I have configured rssh 2.3 with openssh 5.8 on RHEL 5.6 64 bit to restrict the users to scp and sftp. When i try to sftp or scp it gives error connection closed. After long googling tried different solutions like add missing libraries, setuid to rssh_helper. I had full copy of /lib to /chroot/lib and /chroot/lib64 but no success. conf and log files are below for reference.

[Code]...

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Server :: Sendmail - Some Mails Are Not Getting Delivered To Users

Jan 11, 2010

I am having Sendmail ver 8.13.1 installed on CentOS 4.5. Recently we have noticed that some emails are not getting delivered to user. Mailserver is receiving emails and they are getting processed but not getting delivered to user.

I have checked mail log and in the log it shows that email has been delivered to user below is log for reference

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Server :: Sendmail Stopped Authenticate Users / What To Do?

Jul 7, 2010

I don't know what happened but sendmail suddenly stopped authenticate my users who tries to send mail.
I use slackware 13.0 and sendmail for SMTP with ssl and plain authentication. Imapd works fine.
There is nothing in logs just that the client did not issue MAIL/EXPN/VRFY/ETRN during connection.

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Server :: Sendmail - Trusted-users Or Aliases ?

Jul 27, 2011

For a project that I have been assigned to, I need to send emails to a business partner(business_partner.com) from one production server. However, my emails neither reach their destination nor bounce back to me.

Working with our business partner's IT support, the following error was discovered in their maillogs:

Quote:

Further analysis by my IT support shows that emails are successfully sent out ("Message accepted for delivery"):

Quote:

The app I coded is not using a public internet email address (e.g. me@hidden_domain_name.com) to send these notifications.

Instead, it uses an intranet email address (the server's where my code resides: user_name@servername.hidden_domain_name.com).

We created an alias but it made no change. Would adding my public internet email address to "trusted-users" file (we use sendmail)

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Server :: Restrict SMB Access For A Particular Domain?

Sep 14, 2010

I have a question in Samba and would like to ask you for the solution. Is there anyway we can restrict the SMB share access to particular domain name? say allowing access for "example.com" domain users only.

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Server :: Sendmail DNSBL Blocking Authenticating Users?

Feb 2, 2010

I have a problem with sendmail. I am using the zen.spamhaus.org dnsbl, and it is doing a wonderful job of blocking incoming spam from open relays. But it is blocking my users who are on a dynamic ip range from any isp remotely. They should be able to authenticate and send messages no matter where they are as long as they authenticate right? I just want to use the blacklist to block incoming mail to my server that is being distributed to our email addresses.

I want to block people that are hosting mail servers and sending mail to my domain from isp sub-nets. But I don't want to block my users that are sitting on isp subnets using their mail client to authenticate over smtp and send an email from my mail servers.

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General :: Restrict Access To A Server Application?

Nov 18, 2010

I have written a simple server application (with an HTTP interface). I want to ensure that only calls from the local machine are processed - i.e. I want to prevent outsiders from accessing/using my server.

How may I restrict outsiders (i.e. requests from remote machines)?

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Server :: VSFTPD - Restrict Access From Particular Range Of IPs?

Aug 18, 2010

I am using VSFTPD. I want to restrict access from perticular range of IPs. Ex: 172.10.*.* How can i restrict access to server from a range of IPs?

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Server :: Setup Different Local Delivery Agents For Different Users In Sendmail

Jun 9, 2010

The problem is to make sendmail use different LDA for diferent users in the same domain. For example, deliver bob@some.domain with procmail and genry@some.domain with mail.local.

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Server :: Restricting Some Users Send Mail To Off-site Destinations In Sendmail?

Oct 21, 2009

How to restrict some uses to send mail to outside domains except local in sendmail.I am using ( CentOS5 + Sendmail )

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Server :: Sendmail - Pipe All Existing Users Incoming Emails To /dev/null?

Oct 24, 2009

Well I want my sendmail to pipe all users' incoming emails to /dev/null ... I just don't want to accept emails. Every user that exist on the system currently or will be made in future, I want their incoming emails to them to be piped to /dev/null .... I just want those users to be able to send emails.

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Debian Configuration :: Apache Config - Restrict The Access To Local Web Server By IP Address?

Jul 29, 2010

I want to restrict the access to my local web server by IP address. Im in a LAN (192.168.200.xx) so i have this:

[code]....

But when i try to connect from 192.168.200.4 it says i don't have permission to access

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Server :: Setup One Folder For All Users And Restrict The FTP Connection To That Folder Only?

May 25, 2011

I've setup a FTP server in OpenSUSE 11.1 with KDE 3.5.x. (Pure-ftpd) But when I connect with an user to the FTP server I can browse to all folders on the OPENSUSE system, how can I setup one folder for all users and restrict the FTP connection to that folder only??

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Ubuntu Security :: Restrict Users In 9 ?

Apr 14, 2010

I've installed Ubuntu Desktop Ed 9 and I want to add a user account that would be very restricted. I would only want them to access the internet and run several programs. I do not want them to have access to the destkop, anything under preferences, administration etc... Is this possible?

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Ubuntu :: How To Restrict Users Area

May 3, 2011

I was just wondering how do i restrict someone from entering other files. Like other peoples files & the system files. My users are in /home/. I am running ubuntu 10.10.So how do i restrict access to other folders. Because i dont want other people looking inside others files or messing up my linux files.

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CentOS 5 :: Restrict Users To There /home Dir

Dec 16, 2010

How would i go about restricting users to there home dir in sftp and in ssh so that they can not go poking about other dir and files thats above there home dir ?Operating systemCentOS Linux 5.4 Kernel and CPULinux 2.6.18-194.8.1.el5.028stab070.5PAE on i686
Also it will have to be a low resource usage as i dont have much memory on it

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Security :: Restrict Telnet Session To Users ?

Oct 22, 2009

I want restrict telnet session to users.

That means the client login one user at a time. not multiple login.

For example:

I want restrict this. How to restrict one user to use multiple login.

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Server :: Configure Sendmail To Use 2 Different Configurations Of Virtusertable As Access Was Being Made From Internal And External Institution?

Feb 10, 2010

how you I can configure sendmail to use 2 different configurations of virtusertable as access was being made from internal and external institution?

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Debian :: Restrict FTP Users To Home Folders (chroot)?

Feb 11, 2010

I have a debian-based ftp server running that I have created a few user accounts on. I will have clients uploading files to the server via ftp soon, and I need a way to restrict their access to only their home folders. I am not familiar with chroot, but from what I read, it can be used to restrict a user to their home folder, and that sounds perfect. How can I do this?

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Fedora Security :: Restrict POP3 Or IMAP For Particular Users?

Oct 30, 2009

Is it possible in Linux to restrict POP3 or IMAP for particular users.I need a confirmation on this, that it is possible or not in Linux.

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Ubuntu :: Using Sudo To Restrict Users For Accessing Directories?

Jun 20, 2011

Is it possible to restrict users with 'sudo' from accessing certain directories? Rather than just exclude cd and ls from the sudo privileges, that is.

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Ubuntu Servers :: Restrict Users To Only SSH Tunnel - No Shell?

Jul 21, 2011

I have an Ubuntu 11.04 instance running on Amazon EC2. I am currently using it as an SSH tunnel/SOCKS proxy. Most of my Net activity is on a Windows 7 machine running PuTTY. This setup is working very well. So well that a few of my friends have expressed interest in accessing it. Question is, how do I share this proxy, without giving away my private key and root access? I would like to limit users to only being able to set up an SSH tunnel/SOCKS proxy, with no shell access. What other security measures would you recommend for such a setup? I googled a bit and saw references to rbash and chroot. I have already changed the SSH port, and set the EC2 firewall to allow inbound SSH only from my ISP's address range. My friends use the same ISP. They would probably be running Windows 7/Vista, and PuTTY too.

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Red Hat / Fedora :: Restrict Users From Bypassing Squid Proxy?

May 26, 2010

I am not sure whether it's possible or not. We running squid proxy server for our office. We restrict users using ACL to access the internet. There is some who do the followings:

1. Create a own proxy in there box who has the internet access.

2. Other users use those box as proxy and access to the internet.

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General :: Restrict Users To Send Mail To Outside Domains

May 28, 2011

How to restrict users to send mail to outside domains in qmail server, i have centos and qmail installed

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