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Operating Systems Solaris Solaris 10 ftp connection problem (connection refused, connection timed out) Post 302441281 by labdakos on Friday 30th of July 2010 04:41:21 AM
Old 07-30-2010
Thanks for your response.

Yes we did. ftp is working fine on the destination servers we tested (outbound and inbound).

What's more strange in this server having problem is that all inbound ftp connections are working fine. It is only its outbound connection that results to rejection/timing out.
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Courier::Filter::Module::SPFout(3pm)			User Contributed Perl Documentation		      Courier::Filter::Module::SPFout(3pm)

Courier::Filter::Module::SPFout - Outbound SPF filter module for the Courier::Filter framework SYNOPSIS
use Courier::Filter::Module::SPFout; my $module = Courier::Filter::Module::SPFout->new( match_on => ['fail', 'permerror', 'temperror'], default_response => $default_response_text, force_response => $force_response_text, outbound_ip_addresses => ['', '2001:6ag:10e1::1'], spf_options => { # any Mail::SPF::Server options }, logger => $logger, inverse => 0, trusting => 0, testing => 0, debugging => 0 ); my $filter = Courier::Filter->new( ... modules => [ $module ], ... ); DESCRIPTION
This class is a filter module for use with Courier::Filter. It matches a message if any of the receiving (local) machine's outbound IP addresses are not authorized to send mail from the envelope sender's (MAIL FROM) domain according to that domain's DNS SPF (Sender Policy Framework) record. This is outbound SPF checking. The point of inbound SPF checking is for message submission agents (MSAs, smarthosts) to protect others against forged envelope sender addresses in messages submitted by the MSA's users. Constructor The following constructor is provided: new(%options): returns Courier::Filter::Module::SPFout Creates a new SPFout filter module. %options is a list of key/value pairs representing any of the following options: trusting Disabled. Since outbound SPF checking, as opposed to inbound SPF checking, is applied to trusted (authenticated) messages only, setting this module to be trusting does not make sense. This property is thus locked to false. Also see the description of Courier::Message's "trusted" property . match_on A reference to an array containing the set of SPF result codes which should cause the filter module to match a message. Possible result codes are "pass", "fail", "softfail", "neutral", "none", "permerror", and "temperror". See the SPF specification for details on the meaning of those. If "temperror" is listed, an "temperror" result will by definition never cause a permanent rejection, but only a temporary one. Defaults to ['fail', 'permerror', 'temperror']. Note: With early SPF specification drafts as well as the obsolete Mail::SPF::Query module, the "permerror" and "temperror" result codes were known as "unknown" and "error", respectively; the old codes are now deprecated but still supported for the time being. default_response A string that is to be returned as the module's match result in case of a match, that is when the "match_on" option includes the result code of the SPF check (by default when a message fails the SPF check). However, this default response is used only if the (claimed) envelope sender domain does not provide an explicit response. See "default_authority_explanation" in Mail::SPF::Server for more information. SPF macro substitution is performed on the default response, just like on explanations provided by domain owners. If undef, Mail::SPF's default explanation will be used. Defaults to undef. force_response Instead of merely specifying a default response for cases where the sender domain does not provide an explicit response, you can also specify a response to be used in all cases, even if the sender domain does provide one. This may be useful if you do not want to confuse your own users with 3rd-party provided explanations when in fact they are only dealing with your server not wanting to relay their messages. Defaults to undef. outbound_ip_addresses A reference to an array containing the local system's set of outbound IP addresses that will be assumed as the sender IP address in outbound SPF checks. This set should include all public IP addresses that are used for relaying mail. By default, automatic discovery of one public IP address that is "en route" to "the internet" is attempted for each of IPv4 and IPv6. Auto-discovery does not work from behind NATs. spf_options A hash-ref specifying options for the Mail::SPF server object used by this filter module. See "new" in Mail::SPF::Server for the supported options. All options of the Courier::Filter::Module constructor (except for the trusting option) are also supported. Please see "new" in Courier::Filter::Module for their descriptions. Instance methods See "Instance methods" in Courier::Filter::Module for a description of the provided instance methods. SEE ALSO
Courier::Filter::Module::SPF, Courier::Filter::Module, Courier::Filter::Overview, Mail::SPF. For AVAILABILITY, SUPPORT, and LICENSE information, see Courier::Filter::Overview. REFERENCES
SPF website (Sender Policy Framework) <> SPF specification <> AUTHOR
Julian Mehnle <> perl v5.14.2 2011-12-27 Courier::Filter::Module::SPFout(3pm)

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