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I think I would play along for a few minutes and then switch tactics, something along the lines of asking them if they are naked and go downhill from there.

Speaking generically, yes, your DNS server can reside in a DMZ and it can be used to resolve names and addresses for your LAN zone. Your DNS server will need a zone file and be configured to be authoritative for the zones you wish it to resolve for. You can then point your LAN PCs at the...

First, if you haven't you might want to consider contacting them and explaining the situation. I've been a customer of theirs for several years and found them to be easy to work with. While I can't guarantee you success, you have nothing to lose by trying. Second, the other free dynamic DNS...

You should be able to do the same thing with Postfix. The master.cf file is where the daemon processes are configured and having filters and other utilities run in the middle of the stream is a common practice. You would want to configure postfix to deliver (pipe) to your process and then...

This should allow resolution of systems for which your DNS is the master, e.g. your own domain. There shouldn't be any problems with this. I agree that it is dumb. Are we talking about residential service? If so, you may be facing two problems. One, some ISPs make it part of the TOS that...

What do you have set for the permissions within bind, e.g. allow-recusion and allow-query. Generally speaking, you don't want the public to be able to use your name server to resolve anything other than domains use host (allow recursion set to no) because this will result in your DNS server...

This is fine for a diagnostic, but this is not a good solution. You should be able to use the audit log and the tool audit2allow to determine the exact cause of the error and then modify your SELinux rule set properly.

It sounds to me like you need help with depression and that is beyond what can be provided in a technical forum. As gjgoldstein pointed out, it also sounds like you need a job / career change, which very well may be part of the answer and solution you need. My advice would be to seek some...

Sure, I'll have some beer with you, at least until we end up wearing our beer googles :) Correct, the client establishes a connection (makes a request of) the serer. The server listens for an accepts connections from the client. In order to do this, there needs to be a process bound to the...

I am not following exactly what you want to do, but it sounds like you're asking about securing remote desktop connections. If so, I would recommend FreeNX, which uses SSH under the hood because of it's reliable security.

In the first case you're doing a forward lookup and in the second one you're doing a reverse lookup. The naming doesn't have to be one to one. A machine may have multiple names with one IP or multiple IP with one name. I believe the reverse zone has to list one name to IP, even if the machine...

By your post, you've already addressed the most common problem of not being root. This may help:https://www.centos.org/modules/newbb/viewtopic.php?topic_id=32639 The last post in the thread says that there seems to be a bug in that if the key exists that the import will fail and the answer was...

There are two things I see from your question. One, it looks like your ISP may be blocking port 25. This may present a problem for you in that outgoing mail will be blocked and other public systems will be listening on port 25: Two, it looks like you are able to submit (i.e. have postfix...

I generally tend to wear shoes by MBT (http://www.footwearetc.com/MBT-Shoes/), generally in the "athletic" varieties but in more neutral colors that go with khaki pants or jeans. They also have a lot of styles that would be considered more dressed. As far as 'dress' shoes goes, I also like...

I don't see any reason why your questions regarding professional use of Postfix would pose a problem. Student posting and (spam) advertising are frowned upon and it doesn't look like this is your goal. Ask away.

On one of the reputable forums I frequent, I have seen a lot of complaints about ads, whether they are clicked on or not, being the source of malware. Unfortunately, it seems like the default is to execute everything (unless you want it to) making it easy to contract them. Couple that with a...

I worked with a guy who said he took the little pill when he didn't need it, to try it out and it lasted more than 4 hours and was excruciatingly painful. He went to the ER, told them what happened and they said that they could fix him up. As he lay there, at attention, the nurse came up with...

I still remember a high school teacher talking about taking a biology class and not fully understanding what exactly a Mean Old Acid (amino acid) was.

Well, if you want to be like that.... This is done with a domain registrar. There are plenty of them to choose from. As part of the domain registration, you will tell them what IP to point the domain to. When a remote system wants to send mail to your domain, it will perform a DNS lookup for...

There are two ways to approach it, the first is to configure the service in the router. I am not certain about the dynamic DNS with the Cisco and my instinct, which seems to be confirmed by some searching, is to say no. Caution is required here because there are multiple meanings to the term...