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Mac Forum / General / Networking / March 2005https stopped working?
I am currently away from my home location and the only two secure sites I have tried to access simply will not load. I'm also on a rather slow internet link. Can someone point me at a good description of how https works, please, so that i can try and figure out what might be going wrong? Thanks Merlin > I am currently away from my home location and the only two secure sites > I have tried to access simply will not load. I'm also on a rather slow > internet link. > > Can someone point me at a good description of how https works, please, > so that i can try and figure out what might be going wrong? Are you using some kind of firewall, either hardware or software? Secure sites normally run on a different port than non-secure sites. You may have blocked port 443, or your ISP has that port blocked. -john-  Signature====================================================================== John A. Weeks III 952-432-2708 john@johnweeks.com Newave Communications http://www.johnweeks.com ====================================================================== > > I am currently away from my home location and the only two secure sites > > I have tried to access simply will not load. I'm also on a rather slow [quoted text clipped - 9 lines] > > -john- Ah, good, thank you, that's a step in the right direction. I am using a firewall but it's turned off so it should not be a problem. I was not aware that port 443 was the critical element. Is it conceivable that an ISP might have that port blocked - either accidentally or on purpose, why would he do that?? In fact is it actually possible for him to do tha, can an ISP see the ports in use? Additionally I have not changed the config on my machine since the last time I could access these sites (well, I would say that, wouldn't I!) which means, I think and hope, that it's something to do with the ISP I am using here. Now it's new year and people are on holiday for several days (except me that is, pause for groans of sympathy) but I'll follow that up as soon as I can. Any other ideas about what might be blocking https will be most welcome. Merlin > > > I am currently away from my home location and the only two secure sites > > > I have tried to access simply will not load. I'm also on a rather slow [quoted text clipped - 16 lines] > why would he do that?? In fact is it actually possible for him to do > tha, can an ISP see the ports in use? Yes, ISPs can block ports, but I can't imagine any ISP blocking 443 on purpose. After port 80 for normal HTTP, it's probably the next most common port used on the web, since it's used for almost all secure web sites. Go into Terminal and try: telnet www.wherever.com 443 replacing www.wherever.com with the actual name of the secure site you're trying to connect to. If it doesn't say "Connected to ...", then something is probably blocking these packets. If it does connect, type "Control-] quit" to get out of telnet. SignatureBarry Margolin, barmar@alum.mit.edu Arlington, MA *** PLEASE post questions in newsgroups, not directly to me *** > > > > I am currently away from my home location and the only two secure sites > > > > I have tried to access simply will not load. I'm also on a rather slow [quoted text clipped - 28 lines] > something is probably blocking these packets. If it does connect, type > "Control-] quit" to get out of telnet. Thank you Barry, I did that and, as you suspected, it connected fine. Which leaves me wondering what else could be wrong. Any ideas? Merlin > Thank you Barry, I did that and, as you suspected, it connected fine. > Which leaves me wondering what else could be wrong. Any ideas? Check the "connections" page in your preferences to make sure that you don't have a proxy set for yoru SSL or HTTPS connections. Check you other preferences to make sure you don't have something you need turned off, like the various different SSL levels. Next, try a different web site. Most any bank or credit card has an HTTPS site. You need to know if it is all SSL sites, or just the two you use that are causing the problem. If it does get stuck, try to read and remember the URL at the bottom of the page that it is trying to connect to. It might just be that the sites you are trying use the same ad service or image caching service, and that service is down, or blocked, or has you blocked. -john- Signature====================================================================== John A. Weeks III 952-432-2708 john@johnweeks.com Newave Communications http://www.johnweeks.com ====================================================================== > > Thank you Barry, I did that and, as you suspected, it connected fine. > > Which leaves me wondering what else could be wrong. Any ideas? [quoted text clipped - 13 lines] > ad service or image caching service, and that service is > down, or blocked, or has you blocked. Thank you John. No proxies set. I don't know where to look for the "various different SSL levels". My bank site is blocked too, I can see the public page but as soon as I try to log in to the personal area the browser (Safari or IE) just sits there waiting (for something). Plus I tried to access the same sites from a colleague's windows machine and IE with the same results. This is just silly, what else can it be? Any more ideas please? Thanks to you both for the help, it's much appreciated. Merlin |
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