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586 Lotus Security Handbook certain network ports will be opened. Because the reverse proxy is in the DMZ, it will still have direct access to the internal servers, and can act as a secure relay for the users to the backend collaboration servers. This is referred to as a “three zone architecture.” The three zones are the Internet zone, which includes all Internet serves; the DMZ zone, which includes the reverse proxy; and the private/corporate zone, which includes the main collaboration servers and data. Additionally, now that some network connections will be made via the Internet, the IT manager is concerned with hackers and corporate spies sniffing packets. If the data between the Internet user and the server is not encrypted, a hacker can read each transaction that occurs between them. Thus, the IT manager decides to implement SSL, Secure Sockets Layer, on the reverse proxy server. This will encrypt each packet that is being sent between the Internet user and the reverse proxy. A Redbook Co. employee would connect to the Mail server from the Internet by using the same URL that they use at the office. https://itsosec-dom.cam.itso.ibm.com/mail/mmilza.nsf Take note that now that SSL has been configured, the URL has changed to HTTPS. The reverse proxy and the Domino server have been set up to only allow SSL connections. After the user authenticates using the same username and password as in the first phase, the user is allowed to access their mail file remotely (and securely via SSL and proxy) from outside the corporate network. The mail access and login prompt are no different, whether the user accesses the mail server via the reverse proxy or directly via the internal network. This is one of the benefits of a reverse proxy. All a reverse proxy does is act as a relay between the Internet user and the internal Domino server. The reverse proxy is configured to only allow access to certain destinations. For instance, a user trying to connect to the root directory of the server by typing: https://itsosec-dom.cam.itso.ibm.com would receive a “you are not authorized” message, as shown in Figure 13-5. By setting up the reverse proxy rules properly, the IT manager locks down what Internet users are allowed to access.
Figure 13-5 Not authorized 13.4 Stage 3: Creation of a corporate directory <strong>Redbooks</strong>Co starts to understand that they currently have two user directories, a Domino directory used to support this new collaborative environment, and a second legacy directory they use for older internal applications. The IT manager decides it would be best to only support authentication against one directory, to reduce administrative overhead and possible security holes. The IT manager recognizes that employees use the original legacy directory more often throughout the day, and are used to maintaining their passwords in this directory, which has more advanced password management features than those supplied via the Domino Directory currently used for the new collaborative environment. Fortunately, this legacy directory can be LDAP-enabled to allow other environments to use the directory for authentication and directory lookups. Based on this, a move to this legacy directory as the single corporate directory is relatively easy for <strong>Redbooks</strong>Co to implement. The “directory assistance” capabilities of the Lotus collaborative products are used to point the Chapter 13. Sample scenario described 587
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406 Lotus Security Handbook the TCB
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410 Lotus Security Handbook Enablin
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412 Lotus Security Handbook So, it
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10.1 Components of the Notes/Domino
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418 Lotus Security Handbook ► Una
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420 Lotus Security Handbook but a S
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422 Lotus Security Handbook Certifi
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424 Lotus Security Handbook databas
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428 Lotus Security Handbook ► Roa
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New for Domino 6 430 Lotus Security
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452 Lotus Security Handbook install
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454 Lotus Security Handbook You con
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460 Lotus Security Handbook server,
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462 Lotus Security Handbook Client
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464 Lotus Security Handbook form, g
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11.8 Notes ID recovery 468 Lotus Se
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470 Lotus Security Handbook For eac
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11.9.2 Multi-server session-based a
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510 Lotus Security Handbook and the
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512 Lotus Security Handbook even wh
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514 Lotus Security Handbook Prefix
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Table 11-13 Conflict between denied
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518 Lotus Security Handbook Control
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520 Lotus Security Handbook “Deny
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11.12.2 Mail policy management New
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Action name Description Change rout
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Table 11-17 DOLS security options O
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530 Lotus Security Handbook For inf
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* Notes SDK include files */ #inclu
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} /*--- * filter termination */ uns
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*/ if (authData->userName && authDa
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goto NoUnlockExit; pLookup = (char
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} } ValueLength -= sizeof(WORD); /*
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* *********************************
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if (getspnam_r(userName, &result, b
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674 L
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Hostname="localhost.dotnsf.com" Por
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[Mon Jun 09 12:06:54 2003] 00000d54
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[Mon Jun 09 12:07:18 2003] 00000d54
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[Mon Jun 09 12:07:18 2003] 00000d54
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Other publications Online resources
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Certificate authorities Domino 260
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kFilterParsedRequest Event 299 kFil
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object classes 316 objectclass eDom
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and iNotes 498 events 492 flowchart
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and WebSphere Portal 622 benefits 2
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Lotus Security Handbook Key securit
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