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Have you ever wondered why your email server is sending you a lot of ‘bounced’ email reports? This might be due to a Hacker attack called “spam injection” on web forms that are poorly written.
First they use “zombies” (PC’s that they have been able to take over) to scan the Internet for web pages containing forms.
Then they try to insert some special code into the fields of your form that will trick your server into sending the form email to a different address, an address that your server is fooled into thinking is specified in a “bcc” field.
To begin they will test your server to see if they can re-route the form to send email to a throwaway email address (usually an AOL address). Once they are successful, they start sending spam emails via YOUR webform. And when those emails bounce, they bounce back to YOUR email server!
Several tips on how to prevent webform spams:
1. Use Captchas.
(http://webdesign.about.com/od/forms/qt/protect-forms-from-spammers.htm)
A CAPTCHA is a visual image (usually of a series of characters) that are written in a strange font and are difficult to read. They are supposed to be impossible for a computer to read, but a human can read them. Then your readers read the text, fill in the correct letters, and their form is submitted.
2. Use CSS and Javascript to fool spam bots
(http://webdesign.about.com/od/forms/qt/protect-forms-from-spammers.htm)
Many of the spam bots don’t read JavaScript, or they don’t read it well, so you can encrypt an entire form in JavaScript and block the spam bots from seeing it. Your readers will only have a problem if they don’t have JavaScript turned on.
One way that I like to fool spammers is to add CSS to forms to hide certain fields. When the spam bot comes in and reads the HTML, their bot sees that form field and fills it in. Then when I get the results any entries that have that field are automatically deleted. To do this use the display: none; property on the field. Web browsers will leave that form field completely off the page, but spam bots will see it in the HTML and fill it in.
3. Environment Checks
(http://askmichel.icoder.com/2007/01/28/how-to-protect-a-contact-form-from-form-spam-bots/)
Every browser sends a HTTP_USER_AGENT value to a server. So a missing HTTP_USER_AGENT value almost always indicates a spammer bot.
The most of browsers (all modern browsers) send a HTTP_REFERER value, which would contain the submitted form URL. Whereas clever bots send this value, a missing HTTP_REFERER value could mean a bot submitting.
Note. There are several firewall and “security” products which block HTTP_REFERER by default. So, none of these people could send a message if you block posting without HTTP_REFERER.
You can use this PHP-code to do the Environment Checks:
. . .
if ("POST" == getenv("REQUEST_METHOD")) {
if ("" == getenv("HTTP_USER_AGENT")
|| "" == getenv("HTTP_REFERER")) {
header("HTTP/1.1 404\r\nContent-Type: text/html\r\n\r\n");
exit;
}
// Send feedback email
}
. . .
?>
4. Extra Form Fields
(http://askmichel.icoder.com/2007/01/28/how-to-protect-a-contact-form-from-form-spam-bots/)
Yet another way to avoid of spamming by bots is Extra Form-fields where people have to answer an intellectual question like “which day comes after tuesday?” or “spell the number 7 in lowercase letters”. You can take a look at such form at the blog of Kim K. Jonsson.
In order to do not bother people with extra questions, you can invert the Extra Form-fields tactics. Place a blind field with an attractive name into your form. Only bots could detect this fields and fill it out. For example:
Only bots would fill the “email” field, real people will enter emails into the “x” field.
Anders Brownworth suggests to make the Submit button as image and require realistic mouse coordinates with the form posting. Your form processor should then approve the coordinates with etalon. You can take a look at this way realized in the Anders blog.
By Ellen Tordesillas, VERA Files
There’s no sweeter applause than the ones coming from the hometown audience.
For the audience, there are no stars who shine brighter than those from home.
On Saturday, dance enthusiasts will have a rare treat of Filipino dance artists who are shining in the world stage perform together. Ballet Manila’s Lisa Macuja-Elizalde gathered at least seven multi-awarded Filipino dancers with different ballet companies overseas for a one-night gala concert.
The Saturday event is another variation of what Macuja-Elizalde has been doing the past three years: organizing ballet galas. In the past years, she gave Filipino audience Stars of Russian Ballet, the Singapore Dance Theatre gala entitled DUO and the World Stars of Ballet.
“This year, I decided to keep the gala close to home by inviting Filipino artists who have excelled abroad and bringing them here to dance for our local audiences,” she says.
The gala was inspired by shows Macuja-Elizalde herself performed in in the 1980s and 1990s, mounted by Ballet Philippines and Philippine Ballet Theater, and featuring Filipino dance icons working abroad and in the local scene.
Featured in Stars of Philippine Ballet are Candice Adea of Hong Kong Ballet, Christine Rocas of Joffrey Ballet, Aileen Gallinera and Eduardo Espejo of Ballet David Campos, Marcelino Libao of Hamburg Ballet and Jared Tan of Atlanta Ballet.
Macuja-Elizalde is partnered by Rudy De Dios of Ballet Manila, with Jean Marc Cordero joining the production courtesy of Ballet Philippines.
Eduardo Espejo and Aileen Gallinera of Ballet David Campos
Chris Mohnani, former principal dancer of Ballet Manila and the Nashville Ballet, is coming as artistic director of his own ballet company, Dance Theatre of Tennessee.
Mohnani said it feels “great and surreal” to be back in Manila with artists from a company that he directed back in the US.
In 2004, while in Nashville,Mohnani founded the Asian American Performing Arts Society (AAPAS), a non-profit, tax-exempt organization that promotes and celebrates the beauty and diversity of Asian performing arts and artists. Upon his retirement in 2009, he transitioned AAPAS to be Dance Theatre of Tennessee (DTT), one of only two professional dance organization in Middle Tennessee. Applying the same foundation he learned from Ballet Manila and its leaders, DTT carries the mission of “ballet for the people.”
“Giving ballet class to US based artists in the very same place I learned all of it is humbling. Although the audience will just see two of them – they are going to share years of training and wisdom BM taught me, coupled with the experience and opportunities I got and learned while dancing abroad. Not a full circle as of yet, but a great start and a great opportunity and one that I hope won’t be the last,” he said.
Eduardo Espejo and Aileen Gallinera will dance the pas de deux from the opera Faust and from Mascara de la Muerte Roja, both choreographed by David Campos of Barcelona’s Ballet David Campos where the two are principal dancers.
Christine Rocas and Mauro Villanueva will perform two pieces from the Joffrey Ballet repertoire – Reflections by Gerald Arpino and Bells (Pas de Deux) by Yuri Possokhov.
Candice Adea and Jean Marc Cordero will dance in Diane et Acteon, by Agrippina Vaganova, taken from the ballet Esmeralda about the Goddess of the Hunt who falls in love with the brave hunter; and in Alden Lugnasin’s interpretation of a Neil Diamond and Barbra Streisand duet, You Don’t Bring Me Flowers.
From Ballet Manila, among the featured pairs are: Stephanie Eunice Cabral and Arnulfo Andrade in Wedding Pas De Deux from Act 3 of The Sleeping Beauty; and Dawna Mangahas and Elpidio Magat in Grand Pas Classique.
Rocas is excited about the dance event: “The word `gala’ just adds more pressure. It’s not just an ordinary show. 2005 was the last time I danced here, and it almost feels like I have something to prove but at the same time, no, because why think about that? Why not just dance? “
She assures the audience it’s going to be a good show. She said she is also looking forward to the other pieces that the other Filipinos that are coming will dance. “It’s gonna be fun. It’s a good learning experience to see what others will be sharing artistically — the steps, the techniques..,” she enthused.
The gala also includes the Philippine premiere of choreographies by John Neumeier, artistic director and chief choreographer of the Hamburg Ballet (Spring and Fall and Nocturnes); the two dance pieces of the Joffrey Ballet, Bells and Reflections; a new choreography by Ron Jaynario (La Femme, the second of a three-part work in progress for PBT, called The Tribe); and a new piece by Augustus Damian III for an all-male ensemble of Ballet Manila entitled Aramica.
Also not to be missed is George Balanchine’s Who Cares? set to the music of George Gershwin, featuring Dance Theatre of Tennessee’s Drake and Williamson.
The show is for the benefit of Ballet Manila’s scholarship program, Project Ballet Futures.(VERA Files is put out by veteran journalists taking a deeper look at current issues. Vera is Latin for “true.”)
(For ticket inquiries to Stars of Philippine Ballet and other information, please contact Ballet Manila at telephone numbers 525-5967 or 400-0292 or Ticketworld at 891-9999 or ticketworld.com.ph.)
On top, there’s Android & iOS, then comes Windows Phone & BlackBerry 10. Is there space for more mobile OSes? Sailfish, Ubuntu and the rest are just around the corner, but for now, we have Firefox OS here to look at. Here is a preview on what to expect once it’s out, so read on.
Firefox OS here runs on the Geeksphone Keon, which is somewhat a statement that it can run on a low-spec’d handset. We already did a first impressions here if you want to check it out.
Setup
Like most devices, the OS requires users to undergo initial setup on first boot. This involves choosing your desired language, connecting to a WiFi network, then setting the date and time.
You can then choose to import your contacts from your SIM or Facebook account. After which, you can decide whether you want to help Mozilla improve the Firefox OS by sharing data about your phone.
UI Navigation 101
Once setup is finished, Firefox OS will give you a quick tutorial on how to navigate the OS. Swipe from right to left to browse your apps, swipe from left to right to discover new apps, tap and hold an icon to delete or move it.
Swipe down to access recent notifications, credit information and settings, tap and hold the home button to browse and close recent apps. Beginners won’t have any issues learning how to navigate the device as everything is straight forward and easy to understand.
Lockscreen
Before you can access anything, you’d have to go through the lockscreen first. Unlocking the phone is done by swiping upwards from the bottom of the screen. From there, you can either choose to be directed to the home screen (by choosing the unlock button) or go straight to the camera app. For added security, you can also setup a 4-digit passcode to unlock the phone.
The lockscreen shows the current date & time, as well as the name of your network provider. In addition, it also displays notifications such as unread emails and/or SMS. We think that Mozilla did a great job with the Firefox OS’s lockscreen as relevant information is readily available at a glance and it gives users quick access to the camera app.
Homescreen
After passing through the lockscreen, you are brought to whatever app you last used. By default, however, you are brought to the homescreen with everything within reach.
Swiping all the way to the left will show you the universal search bar which is similar to iOS. It will also bring you a grid of suggested web apps, search tags and things that you already have on your phone.
Below the universal search bar is a list of preloaded bookmarks, which takes a little time to load once pressed. You can add or remove them all to your taste. Next to that is the homescreen that displays the date & time with 4 customizable shortcuts below. With a long press on the blank space, you can change the wallpaper and get to pick from preloaded ones, from the gallery or from the camera app.
To the right are all your apps. We have HERE Maps by Nokia and a couple more such as an E-mail client which works pretty well. With a long press, you can customize it too together with uninstall options.
Notifications
The notification bar is seen across the system most of the time and it shows the battery, the network, WiFi, Bluetooth and all of the usual stuff.
Pull it down and you’ll see your notifications with a “clear all” button at the top and the toggles down below. If you’re inside an app when you receive a notification, boxes will appear at the top for a short while similar to Apple’s iOS.
Design & Function
As you can see in the screenshots, the design of the OS is quite polished. In totality, Firefox is like a marriage between Android & MeeGo that bares iOS-like functionality (single home button, homescreen similarities).
There are barely any gesture-based operations in FireFox OS as compared to other mobile OSes, so we’ll have to stick with the conventional tapping and swiping.
As for the apps, they are still in development. However, when we entered the Marketplace – it was loaded (it even seemed as loaded as the Play Store). Upon pressing install, poof! – in split-seconds the download was done. We found out later that some of these apps functions like a web bookmark. This app won’t run without internet, and it simply directs you to the mobile version of that webpage. No need to worry though, as we’re sure real apps are probably in development.
Button Combinations & Multitasking
Of course, there’s the volume rocker that works like how it does on Android, iOS & the rest. The power button locks the device with a single press, and with a long hold, it gives you options to toggle Airplane mode, restart, silence incoming calls and power it off.
To take a screenshot, you need to press and hold the power button together with the home button.
Multitasking can be done here, as it doesn’t close the applications you leave immediately. Long press the home button and you are brought to your recent apps/task switcher. You have the option to close them with a button on the top left corner of the window.
It’s the start of something more
We think the best part here is how the OS can run so smoothly on an entry-level category device. Firefox OS is easy in every sense & simple without sacrificing too much functionality. In fact, for a newly bred OS, it does a lot of things better than other platforms – for example, Windows Phone 8 in multitasking.
It’s not the final product yet, and Mozilla will be adding a lot more into this OS such as social networking integration. For our last words, we want to keep it simple and concise – this fox is on fire!
The post Firefox OS: A Preview Of Good Things To Come appeared first on YugaTech | Philippines, Tech News & Reviews.
Diag| Memory: Current usage: 65162 KB
Diag| Memory: Peak usage: 99989 KB
