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key by Giovanni B. Perotti (Italy)
This documentation applies to SECTCP release dated 2017-02-12.
Always refer to this online document for the latest features.
The PDF version of this document may be obsolete.
Introduction
SECTCP (secure TCP) is an IBM i public-source utility that may be used to control and restrain access to the following TCP servers:
  1. FTP
  2. TELNET

SECTCP adds an extra protection layer between a firewall (if you have one) and the OS/400 security. This extra layer is much more flexible than any firewall and can be easily controlled and changed as needed. Changes to SECTCP settings do not require restarting the FTP or the TELNET server.

Prerequisites
  • Operating system release V5R2 or subsequent
  • ILE-RPG compiler
 
About WSECTCP
 

If you are currently running SECTCP and you are willing to host a CGI application on an HTTP instance, then you may install a WEB interface for SECTCP.

Its name is WSECTCP.
This WEB interface makes SECTCP so easy that you would never go back to a 5250 session.
Go to the download page and install WSECTCP today.
Installation procedure
  1. Signon to the IBM i with a class *SECOFR user profile
  2. CRTSAVF FILE(QGPL/SECTCP) AUT(*ALL)
  3. From the Easy400 download page download file sectcp.zip to your PC and unzip it
  4. Use FTP to copy PC file sectcp.sav to save file QGPL/SECTCP
  5. RSTLIB SAVLIB(SECTCP) DEV(*SAVF) SAVF(QGPL/SECTCP)
  6. STRREXPRC SRCMBR(INSTALL) SRCFILE(SECTCP/QREXSRC)
    It will perform the following:
    1. creates a compile program in library SECTCP
    2. runs command SECTCP/COMPILE that creates the necessary modules and programs
    3. runs command SECTCP/INSTALL to complete the installation by
      • restoring directory /sectcp
      • creating and populating library SECTCPDATA with local files
      During the installation process will stop two times:
      • The first time, to ask the name of the user profile (SECTCP owner) authorized to change the SECTCP settings
      • The second time, to display the HTTP directives that you may install later on in an Apache HTTP instance of your choice. These directives allow to display the SECTCP documentation (the one you are currently reading. They are in the IFS stream file /sectcp/apache/httpdirectives.txt. If you like, you may press this to display them.
Note - To re-install SECTCP on a box without the ILE-RPG compiler:
  1. Save library SECTCP
  2. Restore library SECTCP on the other box
  3. On this other box:
    1. signon with a class *SECOFRE user profile
    2. run command SECTCP/INSTALL
Setting up SECTCP
To define the SECTCP settings, you must
  • signon with the user profile authorized for this operation during the installation process
  • enter command SECTCP/SECTCP .
You will then receive the following screen:
Figure 1 - No protections yet
(Please note that help text is available from any SECTCP screen)
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