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Operating Systems Linux Red Hat How to block ssh via /etc/hosts.deny Post 302292493 by thakshina on Saturday 28th of February 2009 06:39:12 AM
Old 02-28-2009
How to block ssh via /etc/hosts.deny

Hi..,

I am using redhat5 server, i want to know the details about to block ssh via /etc/hosts.deny. Need help immediately
 

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ftphosts(4)						     Kernel Interfaces Manual						       ftphosts(4)

NAME
ftphosts - ftpd individual user host access file SYNOPSIS
DESCRIPTION
The file is used to allow or deny access to certain accounts from various hosts. Access Capabilities The formats to allow and deny access are described in this section. addrglob [ addrglob... ] Only allow host(s) matching addrglob to log in as username. addrglob is a globbed domain name or a globbed numeric address. addrglob [ addrglob ... ] Always deny host(s) matching addrglob to log in as username. addrglob is a globbed domain name or a globbed numeric address. A username of or specifies the anonymous user. The addrglob can also be specified as address/cidr or address:netmask. For example: or Specifying Both allow and deny Rules To allow a user to login from anywhere except the listed hosts, both allow and deny rules are required. The following example denies the user from logging in from the host but allows login from all other hosts: EXAMPLES
Allow the user, to login from the host named and from all hosts with numeric addresses starting with Deny (do not allow) the user, to login from the host named and from all hosts with numeric addresses starting with Allow the user, to login from the host named FILES
AUTHOR
was developed by the Washington University, St. Louis, Missouri. SEE ALSO
ftpd(1M), ftpaccess(4), ftpconversions(4), ftpshut(1). ftphosts(4)
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