ip-address | manipulating IPv4 and IPv6 addresses | TCP library
kandi X-RAY | ip-address Summary
kandi X-RAY | ip-address Summary
💻 a library for parsing and manipulating IPv4 and IPv6 addresses in JavaScript
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ip-address Key Features
ip-address Examples and Code Snippets
import { WebSocketServer } from 'ws';
const wss = new WebSocketServer({ port: 8080 });
wss.on('connection', function connection(ws, req) {
const ip = req.socket.remoteAddress;
});
wss.on('connection', function connection(ws, req) {
const ip =
public static String getPublicIpAddressAws() {
try {
String urlString = "http://checkip.amazonaws.com/";
URL url = new URL(urlString);
try (BufferedReader br = new BufferedReader(new InputStreamReader(url.o
private static long ipToLongInt(InetAddress ipAddress) {
long resultIP = 0;
byte[] ipAddressOctets = ipAddress.getAddress();
for (byte octet : ipAddressOctets) {
resultIP <<= 8;
resultIP |= octet
public GeoIP getLocation(String ip) throws IOException, GeoIp2Exception {
InetAddress ipAddress = InetAddress.getByName(ip);
CityResponse response = dbReader.city(ipAddress);
String cityName = response.getCity().getName();
Community Discussions
Trending Discussions on ip-address
QUESTION
My VM instance is running a console application that listens on port 1313. I need to receive a request to this application from the outside, but it does not work for me ... I imagine it like this: a request comes to the external ip-address of the VM, which is redirected to the internal IP address that my console app is running with. I would be grateful even for hints in which direction to look.
...ANSWER
Answered 2021-Jun-11 at 16:10Helped by the creation of firewall rules gcloud, namely the option --enable-logging. Read more here https://cloud.google.com/vpc/docs/using-firewalls
QUESTION
I want to get the Output of my Ip Address only inside the Anaconda Powershell in Windows.
...ANSWER
Answered 2021-Jun-08 at 22:08In Windows PowerShell, curl
does not refer to the external curl.exe
program; instead, it is a built-in alias for PowerShell's Invoke-WebRequest
cmdlet.
In order to invoke curl.exe
, include the filename extension, .exe
:
QUESTION
I was using this technique (How could I retrieve AWS Lambda public IP address by using Python?) but it gives the IPAddress of the Lambda Server within AWS.
Based on this: How can I retrieve a user's public IP address via Amazon API Gateway + Lambda (node), it looks like I should be able to use
...ANSWER
Answered 2021-Jun-07 at 08:00You can try this:
- Add the X-Forwarded-For to the "HTTP Request Headers" (goto the API-Gateway configuration -> Resources -> Method Request).
- Add a Template with Content-Type: application/json (Resources -> Integration Request -> "Mapping Templates")
- Add a Mapping to the template
QUESTION
I'm running Apache ActiveMQ Artemis 2.17.0 inside VM for a month now and just noticed that after around 90 always connected MQTT clients Artemis broker is not accepting new connections. I need Artemis to support at least 200 MQTT clients.
What could be the reason for that? How can I remove this "limit"? Could the VM resources like low memory be causing this?
After restarting Artemis service, all connection are dropped, and I'm able to connect again.
I was receiving this message in logs:
...ANSWER
Answered 2021-Jun-05 at 14:53ActiveMQ Artemis has no default connection limit. I just wrote a quick test based on this which uses the Paho 1.2.5 MQTT client. It spun up 500 concurrent connections using both normal TCP and WebSockets. The test finished in less than 20 seconds with no errors. I'm just running this test on my laptop.
I noticed that your journal-buffer-timeout
is 700000
which seems quite high which means you have a very low write speed of 1.43 writes per millisecond (i.e. a slow disk). The journal-buffer-timeout
that is calculated, for example, on my laptop is 4000
which translates into a write-speed of 250 which is significantly faster than yours. My laptop is nothing special, but it does have an SSD. That said, SSDs are pretty common. If this low write-speed is indicative of the overall performance of your VM it may simply be too weak to handle the load you want. To be clear, this value isn't related directly to MQTT connections. It's just something I noticed while reviewing your configuration that may be indirect evidence of your issue.
The journal-buffer-timeout
value is calculated and configured automatically when the instance is created. You can re-calculate this value later and configure it manually using the bin/artemis perf-journal
command.
Ultimately, your issue looks environmental to me. I recommend you inspect your VM and network. TCP dumps may be useful to see perhaps how/why the connection is being reset. Thread dumps from the server during the time of the trouble would also be worth inspecting.
QUESTION
I'm using the following code to set the proxy for the HTMLSession
, get()
method. Still, it uses my IP instead of the proxy IP.
proxy string format:
...ANSWER
Answered 2021-Jun-03 at 10:06You need to add 'https' in proxies:
QUESTION
I have some api endpoint.
one returns all server details (https://dnscheck.io/api/serverDetails/)
others are server specific
endpoint. (https://dnscheck.io/api/query/?id=2&type=A&hostname=test.com) for each server_Id(which I got from serverDetails
endpoint), I have to call each api endpoint.
what I have done is.
I loop over the results array (which I got from serverDetails
endpoint)
and for each iteration of loop, I call each endpoint for getting the ip.
loop:
...ANSWER
Answered 2021-Jun-04 at 15:18You can do them in parallel by using map
on the array and using fetch
within. You can know when they've all finished by using Promise.all
to observe the overall result:
QUESTION
Edit: So apparently these are not really IP-addresses but rather hostnames.
I tried out the netstat to find any suspectful connections and then I found quite some remote-addresses that were really weird to me, for example the following:
ec2-3-235-82-211:https
fra24s07-in-x0a:https
g2a02-26f0-0300-0000-0000-0000-5c7a-f589:https
wm-in-xbd:https
and156:https
I was wondering what any of these mean and also what the in means at 2. and 4.?
...ANSWER
Answered 2021-Jun-02 at 05:06Those are not IP addresses. They are hostnames that come from reverse DNS resolution, with most of the name cut off due to how netstat presents them. By passing --notrim
you should be able to see the full hostnames. Alternatively, passing --numeric
will disable hostname resolution altogether.
Taking a guess:
- 3.235.82.211, hosted on Amazon EC2. Looks like it's owned by Zoom (checked https certificate)
- fra24s07-in-x0a.1e100.net, google infrastructure of some kind (I googled the fra24s07-in-x0a string, and 1e100.net is google owned). Going to that url over https gives me a google 404 page.
- 2a02:26f0:0300::5c7a:f589, an IPv6 address, used by Akamai (a content delivery network provider), found by going there and seeing the HTTPS certificate
- Unclear. Maybe wm-in-xbd.1e100.net (another google IP); going to that url over https gives me a google 404 page.
- Unclear
QUESTION
I am trying to use Python to connect to a PostgreSQL instance, which is located on Azure through an SSH tunnel. I can connect to the database with DBeaver with no Problem. Here is the code that I am using.
...ANSWER
Answered 2021-May-31 at 08:26The SSHTunnelForwarder is used if you want to do some stuff on the remote server.
Another code block is needed if you need to use remote server as a bridge to connect to another server:
QUESTION
I'm building the Spring Boot Admin code and getting the below error.
pom.xml
...ANSWER
Answered 2021-May-04 at 08:45I was able to solve this issue. Basically all your microservices should use below configuration. Here prefer-ip-address: true
and fetch-registry: true
is the key here.
QUESTION
In my project I'm using Jhipster Spring Boot and I would like to start 2 instances of one microservise at the same time, but on different instances of a database (MongoDB).
In this microservice I have classes, services, rests that are used for collections A, B C,.. for which now I would like to have also history collections A_history, B_history, C_history (that are structured exactly the same like A, B, C) stored in separated instance of a database. It makes no sense to me to create "really separated" microservice since I would have to copy all logic from the first one and end up with doubled code that is very hard to maintain. So, the idea is to have 2 instances of the same microservice, one for A, B, C collections stored in "MicroserviceDB" and second for A_history, B_history, C_history collections stored in "HistoryDB".
I've tried with creating 2 profiles, but when I start from a command line History microservice, it is started ok, but if I also try to start "original" microservice at the same time, it is started but immediately history service becomes "original" microservice. Like they cannot work at the same time.
Is this concept even possible in microservice architecture? Does anyone have an idea how to make this to work, or have some other solution for my problem?
Thanks.
application.yml
...ANSWER
Answered 2021-May-20 at 09:18In general, this concept should be easily achievable with microservices and a suiting configuration. And yes, you should be able to use profiles to define different database connections so that you can have multiple instances running.
I assume you are overwriting temporary build artifacts, that's why it is not working somehow. But that is hard to diagnose from distance. You might consider using Docker containers with a suiting configuration to increase isolation in this regard.
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