dns

问题 We are experiencing a quite weird behaviour on Linux w.r.t. Java DNS lookups (update: happens also on Mac OS X—I was wrong). We set the Google public DNS server 8.8.8.8 as the JVM DNS server. The system (/etc/resolv.conf) server, however, remains out standard server ghost.di.unimi.it. When an address is looked up using InetAddress.getAllByName() or DNSJava's Addess.getAllByName(), everything works as expected (in particular, this is DNSJava): 01:39:11.832438 IP nexus.law.di.unimi.it.33195 >

问题 Is there a proper .NET solution for providing persistent server sessions over multiple domains? i.e. If a user of the site logs in under www.site1.com, they will also then be logged in under www.site2.com Security is an issue with the program we are working on... Thanks! 回答1: Does it need to be in the session or are you looking for a single signon solution. If the latter take a look at something along the lines of ADFS http://en.m.wikipedia.org/wiki/Active_Directory_Federation_Services

问题 I wish to identify the process that is making DNS requests. Looking at the query gives me a clue, but doesn't help me identify the exact process. I can see the local port number in Wireshark, but the request is too transient to be picked up by TCPView. Is there a logging tool which will catch DNS requests and PID? 回答1: Process Monitor from Sysinternals will give you what you want. Limit the capture to just network activity and you'll see the activity along with the PID and process name. The

问题 Closed . This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so it focuses on one problem only by editing this post. Closed 2 years ago . I have a domain abc.jp For example: I want to check if this is valid to that I can add another sublevel domain to this example. How to do it? If possible, upload some java codes as reference please? Thank you 回答1: Your example ac.jp is a valid domain, but not an IP resolvable

问题 This question already has answers here : Closed 8 years ago . Possible Duplicate: What is the best regular expression to check if a string is a valid URL? I want to validate text box by regular expression. It should be Null or valid Domain Name Like Google.com, example.com. Thx 回答1: Something along the following lines will work. function isValidURL(url) { return url.match(/([a-zA-Z]+:\/\/)?(.+\.)?(\w+)(\.\w+)(:[0-9]+)?(\/.+)?/) ? true : false; } alert(isValidURL(document.getElementById(

问题 So I searched a little on the Internet and I found that the socket class can return the IPv4 address from the domain name in python. IP address of domain on shared host says how to do it. Can I do exactly the same thing but return IPv6 address? It looks like support for IPv6 in Python is a bit limited and I found no resources searching on the Internet. 回答1: Take a look here, I think this is what you are looking for. socket.getaddrinfo("example.com", None, socket.AF_INET6) 回答2: You can use

问题 I was wondering if I could have some recommendations on how to take data from a buffer and load them into a struct. For example, I have dealing with a DNS response buffer. I need to populate a DNS answer struct so that I can interpret the data. So far, I have the following: int DugHelp::getPacket() { memset(buf, 0, 2000); // clearing the buffer to make sure no "garbage" is there if (( n = read(sock, buf, 2000)) < 0 { exit(-1); } // trying to populate the DNS_Answers struct dnsAnswer = (struct

问题 I recently bought a domain name from GoDaddy. I set up the domain to successfully redirect to my IP address. But when it redirects, the domain in the URL address changes to the IP address. Does anyone know how I can make it so it stays as the domain instead of the actual IP address? P.S. I am using IIS to manage my site, do I need to change it in there or in my router? 回答1: Ah yes, I fixed this. You had to change it in my GoDaddy settings. 来源： https://stackoverflow.com/questions/38471517

问题 Suppose I have two domain names (domainA, domainB). I set the CNAME record of domainA to domainB, so whenever a user resolves domainA, he will be redirected to resolving domainB instead. My question is if it is possible to restrict accessing domainB directly. So no one can resolve domainB unless it has first resolved domainA. 回答1: The DNS system is designed to be an open system that allows anyone to resolve addresses. In its native form it is not possible to do what you are looking for. Even

问题 I'm trying to add a PTR record (reverse DNS) in Azure, but I'm not sure what should be the value in the PTR DNS record, My azure settings are: DNS NAME people-dns.cloudapp.net HOST NAME people-dns PUBLIC VIRTUAL IP (VIP) ADDRESS 137.117.11.18 INTERNAL IP ADDRESS 100.68.96.97 The DNS name points to the mail server... I understand that I don't need to run any PowerShell commands if I'm using the default DNS name (but maybe I'm wrong?) I was simply adding a PTR record (using Google Domains) with