I‘m new to Linux and my boss told me to remove ssh server as we don’t need to provide the remote login and file transfer capabilities of SSH. How do I disable and remove OpenSSH server?
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dport
How do I restrict the number of connections used by a single IP address to my server for port 80 and 25 using iptables?
{ 29 comments }
How do I invert a protocol or ip address test while writing iptables based shell scripts?
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How do I configure iptables firewall under CentOS / Fedora / RHEL / Redhat Linux to allow access to the Samba server? How do I open TCP ports # 137, 138, 139 and 445 under Linux so that all Microsoft Windows machine can access files and printer on a Linux host?
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How do I install and configure ssh server and client under CentOS Linux operating systems?
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I‘m trying to get data (AXFR query) from master tinydns server to secondary DNS server using tcpclient as follows:
tcpclient -v a.ns.example.com 53 axfr-get example.com example.com example.com.tmp
But I’m getting an error which read as follows:
>axfr-get: fatal: unable to parse AXFR results: protocol error
How do I fix this problem?
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