Lasantha Indika Amarasinghe

Lasantha Indika Amarasinghe

Linux System, Network and VOIP Engineer/Admin - more than 10 years

Colombo-10, Sri Lanka



What's the difference?

I am having more than 15 years of Linux system and network administration, VoIP deployments, system integration.

My major expert areas are:

>>TCP/IP networking & Security :- Advanced ip routing, forwarding, filtering and firewall with Netfilter Iptables, TCP Wappers, Fail2Ban

>>Servers :- Sendmail, Postfix, Dovecot, Courier IMAP, Squirrelmail, Roud cube, BIND, Apache, Nginx, VSFTPD, DHCPD, Squid, Samba, Ziproxy(image compression proxy server), any open source or closed source software in the …


Lasantha Indika Amarasinghe has added 28 portfolio pieces. Create an account to review them.

Work History & Feedback

Freepbx, zoho and zoiper setup

“It was great working with Lasantha, he is very experienced, easily available and very good in problem resolution. Will hire again.”
3 hrs @ $22.22/hr
Earned $63

Message annoucement system for VoIP Carrier

“Highly motivated, never gives up until things work as expected !! Excellent post development documentation, able to delivery on very short deadlines ! Highly recommended AA+++”
Fixed Price $133

Migrate POP Emails from Earthlink to Hostgator

“Great work. Was able to handle job with minimal supervision and in a very timely manner.”
Fixed Price $56

enabling SSH in ubuntu 12.04 in HP proliant ML350p Gene8 Server

“I would like to hire him to do many project with my company.”
Fixed Price $22

RSync / Windows

“Great provider; was helpful in getting us sorted out.”
Fixed Price $56

Squid Proxy configuration for list of public ips

“Excellent to work with!”
Fixed Price $167
Tests Taken
Name Percentile Score

Redhat Linux 9.0 Admin Test


Redhat Linux 9.0 General Test


Voice Over IP Test