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how_to:vpop3_access_security [2009/05/16 09:09] – paul | how_to:vpop3_access_security [2011/09/14 10:40] – [VPOP3 version 2.5 to 4.0] paul | ||
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With some services you can also restrict access to certain users on those IP addresses. These are generally only those services which require some form of logon (eg POP3, WebMail etc) | With some services you can also restrict access to certain users on those IP addresses. These are generally only those services which require some form of logon (eg POP3, WebMail etc) | ||
- | To secure a service, go to the '' | + | To secure a service, go to the **Services** tab in VPOP3, and click on the service you want to secure. You should find in there a tab called |
- | * Optionally if the first character on the line is a ' | + | =====VPOP3 version 2.5 to 4.0===== |
- | * The first part of the line is the ' | + | In these versions, |
- | * The second part is the ' | + | |
- | * Following | + | |
- | This is best clarified with an example: | + | To edit a rule, you can click on the rule, to add a rule, click on the **Add New Rule** text, or to remove a rule click on the **X** or waste bin to the left of the rule. |
- | '' | + | When adding or editing a rule you can specify whether the rule applies to a single host, a subnet (specified in [[http:// |
- | ''192.168.0.0 255.255.0.0'' | + | If the service requires authentication, |
- | '' | + | If the service allows (but does not require) authentication (eg SMTP, LDAP), then there will also be a **no auth** checkbox which allows you to say that, from the specified IP addresses, authentication is not required, even if the settings normally require authentication. |
+ | |||
+ | |||
+ | |||
+ | =====VPOP3 version 2.4 and earlier===== | ||
+ | In these versions, the access restrictions are defined as text controls. Each line defines an access restriction rule. The parts to that rule are as follows: | ||
+ | |||
+ | * Optionally if the first character on the line is a '!' | ||
+ | * The first part of the line is the ' | ||
+ | * The second part is the ' | ||
+ | * Following the ' | ||
+ | |||
+ | This is best clarified with an example: | ||
+ | |||
+ | !192.168.0.1 | ||
+ | 192.168.0.0 255.255.0.0 | ||
+ | | ||
This means: | This means: | ||
- | | + | |
- | * Allow access to the service from IP addresses 192.168.0.0-192.168.255.255 for anyone | + | * Allow access to the service from IP addresses 192.168.0.0-192.168.255.255 for anyone |
- | * Allow access to the service from any other IP address, but only for the ' | + | * Allow access to the service from any other IP address, but only for the ' |
Notes | Notes | ||
- | + | | |
- | | + | * For the SMTP service, if you have specified any SMTP authentication options, you can specify a ' |
- | * For the SMTP service, if you have specified any SMTP authentication options, you can specify a ' | + | * If you want to allow access from anywhere, use a line like '' |
- | * If you want to allow access from anywhere, use a line like '' | + | * The Access Restriction rules are processed from the top to bottom until an IP address match is found. So, in the above example, if the '' |
- | * The Access Restriction rules are processed from the top to bottom until an IP address match is found. So, in the above example, if the '' | + | |
On the service specific access restrictions, | On the service specific access restrictions, | ||
{{tag> security services}} | {{tag> security services}} |