I've read that all ethernet switches in a MST Region need the same Name, Revision number, and list of member vlans for each Instance. So what happens when you need to change the range of VLANs in a MSTI ? Let's say that you need to add a range of vlans to an instance that spans 20 switches? How would you do that?
so spammers arbitrarily send spam to coomon names on my server... that's nothing new.
But I was just wondering what happens when a spammers sends spam to email addresses that don't exist... does it just go to /dev/null immediately or just bounce back with no real buildup on the server (ie log, record, temp placement) or should I be concerned with a high volume of spam.
Want to order a VPS. Not sure whether to include the option of Fantastico/Xcontroller which can be installed along the cPanel. My question is will Fantastico/Xcontroller option by itself use up some of my valuable RAM and if yes how much?
I already have PHP 4 installed on my server and now i want to install php5 on same apache instance but different port.I want to configure the system so that on one port php4 runa dn on second port PHP5 run.
I inherited an Apache HTTP instance from a colleague. That's why I'm not deep into that stuff. My current scenario is the following: We are running several backend instances which are published to the internet via Apache HTTP Server which is configured as Reverse Proxy (RP). In the past there was only one port and one protocol to handle by the Apache HTTP (RP).
Now I have the following need. There has to be published a Web Service from one instance using two Ports with two protocols (HTTP and HTTPs). I'm not sure how to solve that need.
A solution I tried already was to change and add the variable DEF_BACKEND_PORT to DEF_BACKEND_PORT_1 and DEF_BACKEND_PORT_2 but it didn't worked.
to upgrade the PHP and MySql versions our shared hosting ocmpany is offering. We are now at PHP 4.3 and MySQL 4.014 I need to bring it up to PHP and MySQL 5.xx versions. Has anyone done this and if so what gotchas should I look for? what is the suggestes upgrade path not to affect clients using the older versions?
I need a basic L3 switch for maybe 25 mbps that will do hopefully up to 50 VLANs and which will not require me to hire someone to configure it.
As much as I like Cisco, that rules them out.
The reason I'd like a Layer 3 switch is so that I can run my backups and inter-server transfers without adding to my bandwidth bill. Also, VLANS are a critical requirement as i have a lot of customers with root on their managed servers.
So i am looking at HP [gasp] switches. How "easy" is the web-based configuration widget? [I'm an advanced unix admin but networking is a mystery to me.]
This is a starter switch and once i have a full cab of servers I'll be able to spend $7K on a pair of 3560s and hire someone to configure them for me ... but until then what can i get to meet my requirements?
I'm not sure exactly how to phrase the question. But, I'm researching how to PXE boot a server without having a DHCP/PXE server in each vlan.
Scenario: Datacenter with dozens of servers. 1 VLAN per server. Cisco switches and routers. Each server has a serial console available for remote management (OS and BIOS are configured for serial console). If an admin wants to re-install OS, they should be able to reboot the server and tell the BIOS to initiate a PXE boot request. A central install server is available to provide the DHCP and PXE boot images.
Has anyone tried this? I have been reading about the 'ip helper-address' for Cisco to relay DHCP requests. Interested in hearing about real-world setups. Or is there a better way to accomplish remote OS installs?
I'm looking for a solution that I can place a firewall between 2 vlans on a BigIron router with L3 enabled.
For this moment there is one big vlan2 with a ip-route 0.0.0.0 0.0.0.0 22.214.171.124 and a router-interface ve2 with the IP of the router, the address I use as gateway on the machines behind it.
The WAN port has the IP address to communicate with to the GW of the carrier-router (126.96.36.199)
Because I want to let the BigIron the routing I was thinking of 2 vlans, one for the lan-vlan and one for the wan-vlan, but this will be a problem because I only have one IP-block what I can use.
So the sitiuation must be as follow on the BigIron:
WAN => vlan2 => firewall => vlan3(lan)
Because of the fact that the firewall will be transparent, this should be no problem to place it between the vlans. The actual problem is how to manage this. In simple words, I should be able to replace the firewall with a cross-cable and it should still work.
Cisco for an example has a SVI solution for this, but I can't find such thing for a Foundry router.
Having a slight problem working with one of our Extreme Summit 48 (ugh) switches - I've figured out most of the basics, but I can't seem to find any way to add a secondary IP address to a VLAN! This, I would have thought, would be a pretty basic feature to have. Typing "config vlan [vlanname] ipaddress 188.8.131.52/24" works for setting the primary IP, but I can't figure out how to add any more - and doing the command again just overwrites the first one.
So... does anyone have any tricks up their sleeve, or is this something that Extreme neglected to add to this model switch?
Can you make a recommendation for a switch-based L3 router which can
- hold a moderate number of routes (interface routes, a few hundred statics + default) - OSPF and BGP - MST - 1024 layer-3 dot1q subinterfaces (or maybe VLAN interfaces) with + traffic policing in and out per subinterface/vlan + VRRP/HSRP/NSRP - IPv4 & IPv6 native - 2x GigE ports - Not tip-over under 1gbps DDoS towards a VLAN interface.
I've been using 3560Gs, but they seem to lack the output traffic policing. I'd prefer to have subinterfaces which don't run spanning-tree, versus Vlan Interfaces to a trunk interface which runs spanning-tree. These switches sit at the L3 boundary between two L2 networks.
Cost is a big factor; but I also must carry vendor licenses & support contract, if the vendor asserts that not doing so is illegal in US.
I set up a forum for a small group of users, so I don't really wish to see spiders or bots on it, so I've put a robots.txt file there to prevent all of them from accessing the forum pages.
I know not all bots follow the robots.txt rule, and these days a really annoying bot called MUNAXNET or Munax AB with IP range 184.108.40.206 - 220.127.116.11 is causing the forum to have extra and unexpected loads.
I've tried to block this IP range with .htaccess and uploaded it to the root of the site a few days ago, here is the content:
<Limit GET HEAD POST> order allow,deny deny from 18.104.22.168-22.214.171.124 allow from all </LIMIT> However strangely it seems that all of these are not working for this bot, today I saw my forum had 80 users online and that army still keeps coming and browsing all pages of my forums...
I tested the .htaccess with blocking myself, and it actually worked for me, dunno why it's not working for that bot..
I need to ban IP range and I inserted say ip 126.96.36.199 in the deny_hosts rules, this should ban range from 12.44 but strange is people from that range still be able to access my site, any idea what went wrong?