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Evolution from Debian to Mikrotik DOM Lvl6

05 Nov

At least my debian box that act as router has changed with Mikrotik DOM lvl 6.. It only bear up for only 2 weeks until I changed it. With the same network topology as router before (debian mode), it easier to config network rules using mikrotik, especially using winbox tools that has GUI that make router config more user friendly without concerning terminal script :D

A lot of stuff  I plugged in this DOM.

  1. NAT masquerrade
  2. Transparet proxy with automatic clearing cache
  3. IP forwarding classified by port number to communicate between local server to public clients
  4. Porn sites blocking using firewall, even if I upset with this thing :P

Everything seems fine and it works with a good performance.

Problem came up when I try to set one more network interface that provide an ip public. I planned to use this IP so that web server can accessed over internet. But when i started to config it, the network became mess. User in local area network can be browsing with URL method. Send ICMP Packet to public gateway made a normal reply from it. I really suspicious with the DNS configuration and routing stuff.. Hmm it needs more routing rules I think,,ehmm I rather lazzy to think and configure about it again when I found that I still have one more mikrotik router in Routerbox 450G.

Routerboard 450G, hmm I can use it as a brigde to connecting ip public to web server directly without through NAT server.. Hehehehe. Obviously the setup process is more complicated then DOM. We have to connect to routerboard using its Mac Address and winbox. 2 days I was thinking to manage this RB 450 G and at least I succeded to config this RB 450G.

Tommorow will be an execution day to make IP public setting using RB 450G. Friday — pararell with Software Development Document that will be consult with the client,,,hope will be no more problem in it.

 

Digital Imaging : HDR n Stitching, Still Working on Those Things

02 Oct

High Dynamic Range, well known digital imaging..It is a set of techniques that allows a greater dynamic range of luminances between light and dark areas of a scene than normal digital imaging techniques or photographic prints. This wider dynamic range allows HDR images to represent more accurately the wide range of intensity levels found in real scenes ranging from direct sunlight to faint starlight. – wikipedia

Yup, the result of this technique always makes me fascinated..I think, it’s a magic technique to make an image became more ‘hard’ and rough, but in other hand, give a wonderfull colour and great scratch on the edge.

Last week, I did a lil’ journey from my home village to Yogyakarta’s downtown,, While I was shopping, I tried to grab a piece set of building in that area. The result has been modified with HDR technique use photomatix pro.

Here are the result :

See all here

 

Bunaken, It means Beauty!

06 Sep

one place that I want to visit at least once in my life time, is Bunaken.. The opportunity was came to me at August this year . Oucchh , you know what, it totally awesome,. Don’t know the words that will describe it. Hardly can say it in a blog post. Very recommended for you that love beach and sea a lot..  :D

Departed from Jakarta at Indonesia’s Independence Day, with full of  flight services from GIA, landing in the middle of the rain, the smell of beach was very obvious. First day, after take care Hotel’s administration, hunting a sunset in Boulevard. A well known region in Manado, with direct view of sunset.

Lil’ view from my camera at 17th of August Sunset in Boulevard

DAY 2 :
A Journey to Bunaken and Liang Beach

Let’s we talk about how much Bunaken give a good view, both Underwater view and its panoramic view..Really explain how much Allah was giving Indonesia with a lot of resource and heaven’s view. Even if my skin burned, but It worthed enough with the sensation that I felt.

 

Banjarmasin, Crazy Journey to Floating Market

26 Aug

Morning 11th Aug ‘09 , at 4 a.m. +7 GMT

I has been wake up in the middle of my unconsciousness.
Yup, that day was hunting time :D

Walked from Grand Mentari hotels near Antasari Street at 4.30 a.m. , cut accross the darkness night of Banjarmasin, me and Mr. Edy with bag and camera full loaded were starting our hunting time. The target are floating point and kembang island.

Almost 2 hours, we walked, through Old Market, and at least, at 6.00 a,m we arrived at a little harbour. In that place, we rent a boat that would take us travelling on barito’s river. Hmm it was first time I saw buyer and seller get together on a river, to selling and buying each other on their shallop. I just humble, are they can swim or not?just imagine if something happen to their boat..they will fall into deep water indeed.

 

Debian Box as Router Gateway – NAT mode ON

24 Jul

Network layout seems like this

Set net interface :

debian:~# nano /etc/network/interfaces
auto eth1
iface eth1 inet static
address 10.2.1.254
netmask 255.255.255.0
network 10.2.1.0
broadcast 10.2.1.255
gateway 10.2.1.1
# dns-* options are implemented by the resolvconf package, if installed
dns-nameservers 222.124.199.71
iface eth0 inet static
address 172.15.0.254
netmask 255.255.0.0
broadcast 172.15.255.255

change file /etc/sysctl.conf parameters.
net.ipv4.conf.default.forwarding=1
net.ipv6.conf.default.forwarding=1

Allowing ip forwarding from local network 172.15.0.0/16 to public network  10.2.1.0/24
debian:~# iptables -t nat -A POSTROUTING -o eth1 -s 172.15.0.0/16 -d 0/0 -j MASQUERADE

Allowing public network client  to access local server 172.15.101.79 through 82 port

Port 82
debian:~# iptables -t nat -A PREROUTING -i eth1 -p tcp –dport 82 -j DNAT –to 172.15.101.79:82

//change –dport  and –to parameters to expand your network policy about which server that will be accessible from public client

regards

 
 

Jakarta Night View Part II

12 Jul

last thursday, I joined a hunting event that has been initiated by DF Community. Thanks to bro JM and Sist Shast_ as the CEO of this event :D

Arrived in Dharmala Intiland Building at 5.00 p.m sharp !!  , those are members of IDP that has been waiting for in Excelsso, bro Ivan Lesmana, Leo and other members of DF, Bro JM, Bondiy and others At 5.30 p.m, we climb up the building, to start hunting session.

It was quite awesome, cause the building, right in a corner of Sudirman-KH. Mas Mansyur intersection..so that, we had more variation to make photo composition. Read the rest of this entry »

 
 

Jakarta Night View Part I

25 Jun

at June 18th started from Medan Merdeka Barat crossed Thamrin Street and finished at Bundaran HI, I walked with bro Itok to capture night view surrounding that area. It started at twilight and finished almost at 9.00 pm

The Buildings seem so colorful, and of course at lot of ’speed’ of light captured there. It was a first time I tried to monumentalize night view in the biggest city in Indonesia. In circumstances, tripod is a gear that we must bring, cos we dealing with a low exposure and of course, slow speed must be setted.

Began from monas from my office building’s rooftop. It no need a special licensing from building owner and its security officer, cos we have known each other :D Read the rest of this entry »

 

Perjalanan Anyer-Carita-Tanjung Lesung

16 Mar

Wiken ni, walopun ga panjang :P   , saiah nekad untuk nge gembel lagi bareng temen-temen kantor. Ide bener-bener mendadak, pas lagi ngumpul buat hunting night shoot photo di rooftop kantor, bro Itok ngajakin jalan, dengan catatan ga terlalu jauh memakan waktu perjalanan cos waktunya ga terlalu panjang. Akhirnya pilihan jatuh ke Tanjung Lesung, kawasan resort pantai di propinsi Banten.

Peta

Perjalanan di mulai dari kawasan Slipi, meeting point seperti biasa, di Dunkin’ Slipi Jaya. Kami mengambil rute ke Tanjung Lesung menyusuri anyer dan carita di dekat pantainya, Walopun agak muter dikit liwat cilegon siy, cmn bakal memberi sensasi tersendiri. Pukul 08.00, dari Slipi, kita naek bus AC Ekonomi. It costs 17.000. Turun di pintu tol Cilegon Barat, perjalanan kita lanjutkan dengan angkutan umum. Naek angkutan umum menojo daerah Simpang di Cilegon. Ongkos 3rebo rupiah kali ini. Setelah itu, lanjot dengan angkot menojo Labuan. Sepanjang perjalanan ini, kita menyusuri pinggiran Pantai Carita dan Anyer. Perjalanan angkot ini memakan waktu 2 jam. Wew pegel ga karuan dah.. :(   .. Tiba di Pasar Labuan, sekitar pukul 13.00 dengan merogoh kocek 20rebo,, Emang jauh bet siy,, .. Perjalanan belon berakhir, kita lanjot lagi dengan angkot menojo Tanjung Lesung kali ini. Angkotnya berwarna item,, Sebenere, angkot hanya mencapai sampai daerah Pasar Citeurep aja, n masih 8km sebelum nyampe di BeachClub di Tanjung Lesung. Akhirnya nego2, kita sewa itu angkot menojo BeachClubnya. Perjalanan dari Pasar Labuan mpe ke Tanjung Lesung, makan waktu 1.5 jam. Berempat, kita merogoh kocek 60rebo buat sewa angkot ntu.

Read the rest of this entry »

 

Understanding Jurnalistic Photography

12 Mar

Yesterday, I intended repairing my camera censor to a photography center retail in Duta Merlin. I had chatted with its marketing staff before, and he said that my stuff can be repair in his place for about 1 day. But when I came there, I dissapointed, because what the man said in chat, is different with the real conditions. The retail only can repair Canon stuff, and it needs 1 weeks to clean it. With a sloppy face, I continued to go to Photography Exhibition in Antara.

Dropped in Antara Photography Exhibition with my friend at 5 p.m. , after talk a while with ma ex-office’s friend of my friend :P   , I go through the lobby aim to gallery. Hmm, themes of this exhibition was Tibet’s journey. A lot of B/W photos that taken with 35mm camera. The grain effect of it, make it became more artistic. But, I had a little confiusness, I don’t really blend in this themes. Mind set of me, still can’t accept the philosophy that included in Jurnalistic photos. When attended in Focus Exhibition, that  show of masterpiece of Darwis’s students, I feelt ‘Wow’, it’s so amazing. .

A coffe break and little talk with my friend and gallery man, I knowing even if at a glance, that the Jurnalistic Photography, mainly talked ’bout the content of photo.. the picture that can give a story to people who see it. I must see deeply to the photos, so that I can see, how beautiful it is. Hahaha, rather makes me dizzy, I’m not reach that level yet :(

One of photographer that show of the masterpiece in this exhibition is Jay Subiakto. And you know what,  come and see this , he’s damn right about a photography stuff , i agree 1000 percent with his opinion :D Photography is about expression and feelin’

The night would came soon, I decided to go back and rest. But you know what, I meet a person that would repair ma camera. He’s actually Nikon guys and became technician for Antara. Little check and nego, he told that tommorow, I can get my camera repaired..Wew, not took a long time until I gave my camera to him. Friday 13th, me and difo will be ready for hunting session in ma office roof top.  :D

 

Sharing Koneksi Internet 3G via WIFI Peer to Peer

24 Feb

Ku mo sharing sedikit crita mengenai koneksi internet shared dengan menggunakan wifi connection secara peer to peer. Kebetulan koneksi inet yang saya pake sebagai sample yaitu inet koneksi 3g Indosat Broom menggunakan USB modem ZTE, dengan 2 onggok laptop yang nantinya akan dijadikan bahan percobaan.

Oks,siapin kopi n rokok untuk sedikit setting disini :P

Setting Shared Inet Kamu di Modem
Pastiin setting koneksi dari modem ke laptop sudah sesuai dengan setting provider inet yang anda pake. Kemudian, meluncur segera ke Network Connection. Disitu akan keliatan modem ente yang dah aktif. Simply,right click, kemudian pilih properties di modem bersangkutan. Akan muncul jendela baru untuk konfigurasi. Klik tab advanced.                                         Read the rest of this entry »

 
 

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