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Top Forums UNIX for Beginners Questions & Answers If statement to compare two strings Post 302999419 by RudiC on Tuesday 20th of June 2017 03:13:00 AM
Old 06-20-2017
A few comments on top of what Aia already said
- unless hosts.deny contains EXACTLY ONE line consisting only of that $ip contents, the test will fail
- you need to deploy "command substitution" $(...) (c.f. man bash)
- the test can be phrased way simpler and safer or even omitted (see Aia's proposal)
 

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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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