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configure your receive connector in exchange management console(EMC)>server config>hub transport>"name of your receive connector" to accept communication on 25, set your local addresses to recieve mail from all v4 IPs, on port 25 and your remote servers that has your IP on the linux machine: x.x.x.145 for basic testing use auth TLS and permissions ...


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I manage to solve the issue as follows: The issue was due to SELinux. Should manage it. e.g. sudo semanage port -a -t syslogd_port_t -p tcp 20514


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There are only few guidelines in the relevant section 9 of the specification: There should not be multiple connections from the browser to the same server Connections should not be closed "until it is determined that no further communication with a server is necessary", i.e. when the tab is closed and no other tabs have communication to the server The ...


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Edit the file /etc/sysctl.conf, run: # vi /etc/sysctl.conf Append the following entry: net.ipv4.tcp_syncookies = 1 Save and close the file. To reload the change, type: # sysctl -p


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Ubuntu 10.04 has default "sysctl.d/10-network-security.conf" setting below: # Turn on SYN-flood protections. Starting with 2.6.26, there is no loss # of TCP functionality/features under normal conditions. When flood # protections kick in under high unanswered-SYN load, the system # should remain more stable, with a trade off of some loss of TCP # ...


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R u sure, that you implemented your server right? It sounds like an implementation error, but without code segments it's best impossible to determine if this is right


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I was inspired by @the-wabbit solution to this, and managed to solve this. I blogged about this solution in my personal wiki: https://giki.wiki/@nubela/Software-Engineering/Per-Connection-Throttling Here's my solution to this question with an actual shell script: #!/bin/sh dev=eth0 ip_port=3002 rate_limit=512kbit rate_ceil=1024kbit htb_class=10 ...



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