DMARC
=== ADSP Replacement === Domain-based Message Authentication, Reporting, and Conformance (DMARC) is meant . . . relaxed (Organizational domain match only). * "aspf=" - alignment mode for SPF: "s" - for strict (FQDN . . . regardless of its alignment. ** s - generates an SPF failure report if the message failed SPF evaluation, . . .
3K - last updated 2017-06-22 02:12 UTC by 1463
Email
== Email Domain Authorization, Authentication, Policy, Reporting, Email Encryption and Signing * [[SPF]] . . .
1K - last updated 2021-11-07 11:23 UTC by 1463
Layer 3
=== IP === * [[X.25]] * [[IPv4]] * [[IPv6]] * [[IPsec]] === Routing Protocols === There are three classes . . . distance vector. Link state protocols such as OSPF have complete topology visibility. Instead of re-sending . . . a link goes down. * [[RIP]] * [[EIGRP]] * [[OSPF]] * [[BGP]] * [[Route Redistribution]] * [[Policy-Based . . .
2K - last updated 2016-12-05 12:37 UTC by 1463
OSPF
Open Shortest Path First (OSPF) protocol is a link state routing protocol. OSPF will re-send routes every . . . 30 minutes. OSPF routers have complete visibility. They know the . . . routes for inclusion into the routing table. OSPF uses IP protocol 89 and multicast address 224.0.0.5 . . . on broadcast type network. OSPF has a hierarchical design by utilizing areas with . . . possible, then virtual links must be used. An OSPF router can be in multiple areas. Such router is . . .
10K - last updated 2016-11-24 23:48 UTC by 1463
Quagga BGP routing
This is how to setup bgp routing on Solaris 10 with quagga. For more information see http://www.quagga.net/ . . . # RIPd vty ripngd 2603/tcp # RIPngd vty ospfd 2604/tcp # OSPFd vty bgpd 2605/tcp # BGPd vty . . . ospf6d 2606/tcp # OSPF6d vty ospfapi 2607/tcp # ospfapi . . .
4K - last updated 2009-02-10 15:31 UTC by arkadi
Route Redistribution
When a router compares two identical prefixes, first it looks at the administrative distance. If it is . . . || ||Internal EIGRP ||90 || ||IGRP ||100 || ||OSPF ||110 || ||IS-IS ||115 || ||RIP ||120 || ||EIGRP . . . ip address> <wildcard> [access-list-number] * OSPF distance ospf <external> <intra> <inter> distance . . . ospf <value> <src router-id> <wildcard> [access-list-number] . . . OSPF does not allow to overwrite its rule for intra-inter-external . . .
4K - last updated 2016-11-27 23:11 UTC by 1463
Sender ID
=== Experimental === Sender ID defines a mechanism that can be used by Mail Transfer Agents (MTAs), Mail . . . or simply bounces, exactly as it is done in SPF specification (spf1). Sender ID extends the format . . . of SPF record by declaring version 2.0 in the DNS TXT . . . addresses to validate mfrom, pra or both: "v=spf2.0/mfrom,pra". Senders may publish either spf1 . . . or spf2.0, or both records in their DNS. If no spf2.0 . . .
3K - last updated 2017-04-28 02:17 UTC by 1463
SPF
=== Email Domain Authorization === Sender Policy Framework (SPF) is a DNS-based mechanism to authorize . . . the following format: <domain_name> IN TXT "v=spf1 ([qualifier]mechanism / modifier) ... ()" There . . . = current timestamp These are the results of an SPF check: # "none" - no errors but no info to make . . . # "permerror" - Usually results from a bad SPF record. The receiver should reject an email with . . . It is recommended to write the results of the SPF check into the email headers such as Received-SPF . . .
4K - last updated 2017-06-22 02:58 UTC by 1463
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