<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><html>On 29 Apr 2008, at 15:36, Todd D. Volz wrote:</html><br class="Apple-interchange-newline"><blockquote type="cite"><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0; "><div style="font-family: 'Times New Roman'; font-size: 12pt; color: rgb(0, 0, 0); "><br>----- "Ben Lancaster"<span class="Apple-converted-space"> </span><mail@benlancaster.co.uk>wrote:<span class="Apple-converted-space"> </span><br>> I'm having trouble with Multicast and the mythtvosd command. When I<span class="Apple-converted-space"> </span><br>> attempt to send a (valid) mythtvosd alert, I'm told "sendto: operation<span class="Apple-converted-space"> </span><br>> not permitted". Similarly, ping -t 1 -c 2 224.0.0.1 gives the same output.<br>> I'm presuming that the issue lies somewhere on my network, which is<span class="Apple-converted-space"> </span><br>> organised as follows: ADSL Router (DHCP Server), directly plugged in to<span class="Apple-converted-space"> </span><br>> an ethernet Hub and a Wireless access point (acting as a bridge). My<span class="Apple-converted-space"> </span><br>> master backend/living room front-end is plugged in to the wired hub, and<span class="Apple-converted-space"> </span><br>> my slave backend/network-storage and an additional front-end are plugged<span class="Apple-converted-space"> </span><br>> in to the access point (by ethernet). On the slave backend (which<span class="Apple-converted-space"> </span><br>> doubles up as a mailserver, db server, web server) is protected by APF<span class="Apple-converted-space"> </span><br>> and BFD, could these be causing the problem?<br><br>I found that APF is an iptables based firewall project and if multicast isn't allowed out it won't work assuming that you are sending from your backend server.<br><br>Where are you sending the command from?</mail@benlancaster.co.uk></div></span></blockquote><div><br></div><div>The front-end it's intended to be displayed on</div><div><br></div><blockquote type="cite"><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0; "><div style="font-family: 'Times New Roman'; font-size: 12pt; color: rgb(0, 0, 0); "><mail@benlancaster.co.uk>Where are you sending the ping command from? <span class="Apple-converted-space"> </span></mail@benlancaster.co.uk></div></span></blockquote><div><br></div><div>ditto</div><br><blockquote type="cite"><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0; "><div style="font-family: 'Times New Roman'; font-size: 12pt; color: rgb(0, 0, 0); "><mail@benlancaster.co.uk>What do you expect to receive the command (if the answer is "my frontends" please specify how many)?</mail@benlancaster.co.uk></div></span></blockquote><div><br></div><div><br></div><div>2 x front-ends</div><div><br></div><br><blockquote type="cite"><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0; "><div style="font-family: 'Times New Roman'; font-size: 12pt; color: rgb(0, 0, 0); "><mail@benlancaster.co.uk>What is BFD? (Quick google search didn't come up with anything appropriate)<br></mail@benlancaster.co.uk></div></span></blockquote><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0; "><div style="font-family: 'Times New Roman'; font-size: 12pt; color: rgb(0, 0, 0); "><mail@benlancaster.co.uk><br></mail@benlancaster.co.uk></div><div style="font-family: 'Times New Roman'; font-size: 12pt; color: rgb(0, 0, 0); ">Brute Force Daemon – made by the same people as APF and designed as a natural accompaniment - it automatically adds IPs to the blacklist after a predefined number of failed SSH attempts (amongst other protocols)</div><div style="font-family: 'Times New Roman'; font-size: 12pt; color: rgb(0, 0, 0); "><br></div><div style="font-family: 'Times New Roman'; font-size: 12pt; color: rgb(0, 0, 0); "><br></div></span><blockquote type="cite"><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0; "><div style="font-family: 'Times New Roman'; font-size: 12pt; color: rgb(0, 0, 0); "><mail@benlancaster.co.uk>Are you sure that mythtvosd is multicast aware?</mail@benlancaster.co.uk></div></span></blockquote><div><br></div><div><br></div><div>I believe it is, yes. I can't remember where I read it, but it is.</div><div><br></div><br><blockquote type="cite"><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0; "><div style="font-family: 'Times New Roman'; font-size: 12pt; color: rgb(0, 0, 0); "><mail@benlancaster.co.uk>Have you tried send the mythtvosd command to the master backend? <span class="Apple-converted-space"> </span><br></mail@benlancaster.co.uk></div></span></blockquote><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0; "><div style="font-family: 'Times New Roman'; font-size: 12pt; color: rgb(0, 0, 0); "><mail@benlancaster.co.uk><br></mail@benlancaster.co.uk></div><div style="font-family: 'Times New Roman'; font-size: 12pt; color: rgb(0, 0, 0); "><br></div><div style="font-family: 'Times New Roman'; font-size: 12pt; color: rgb(0, 0, 0); ">Yep, same error.</div><div style="font-family: 'Times New Roman'; font-size: 12pt; color: rgb(0, 0, 0); "><br></div><div style="font-family: 'Times New Roman'; font-size: 12pt; color: rgb(0, 0, 0); "><br></div><div style="font-family: 'Times New Roman'; font-size: 12pt; color: rgb(0, 0, 0); ">Thanks,</div><div style="font-family: 'Times New Roman'; font-size: 12pt; color: rgb(0, 0, 0); "><br></div><div style="font-family: 'Times New Roman'; font-size: 12pt; color: rgb(0, 0, 0); ">Ben</div></span></div></body></html>