Cach dat mat khau cho link: Bao ve URL de nhat

Ban co mot link Google Docs, mot dia chi he thong noi bo, hay mot link tai ve noi dung tra phi. Ban can chia se nhung khong muon bat ky ai cung mo duoc.

Gui link truc tiep qua Zalo trong nhom chat thi ai cung thay. Chuyen tiep mot lan la mat kiem soat hoan toan. Luc nay ban can khoa link bang mat khau.

Khoa link la gi?

Khoa link la them mot lop xac nhan mat khau truoc bat ky URL nao. Khi ai do nhan vao link da khoa, ho se thay man hinh nhap mat khau thay vi trang dich. Chi nhung nguoi biet mat khau moi co the truy cap link goc.

Giong nhu gan o khoa cho cua. Can phong (URL) van o nguyen cho cu -- ban chi kiem soat ai duoc phep vao.

Cach hoat dong:

1. Nhap URL goc vao cong cu khoa link
2. Dat mat khau, cong cu se tao mot link ngan moi (vd: lock.pub/mylink)
3. Bat ky ai nhan vao link nay deu phai nhap mat khau truoc
4. Sau khi xac nhan dung, ho duoc chuyen huong den URL goc

Khong can cai dat phan mem. Nguoi nhan khong can dang ky tai khoan. Chi can mot link va mot mat khau.

Tai sao can khoa link?

1. Chia se tai lieu cong viec

Ban soan hop dong tren Google Docs va can gui cho khach hang xem. Neu gui link truc tiep qua Zalo, nhung nguoi khac trong nhom cung thay duoc, hoac khi cho muon dien thoai cung bi lo. Link co mat khau dam bao chi khach hang moi truy cap duoc.

2. Bao ve noi dung tra phi

Link tai khoa hoc online, sach dien tu, tai lieu hoi vien -- gui khong co mat khau la de bi chia se tran lan tren dien dan va nhom chat. Khoa link giup ban giu noi dung an toan.

3. Thong tin noi bo nhom

Dia chi server, URL moi truong test, trang quan tri -- nhung thong tin nay nam mai trong lich su chat Zalo la rui ro bao mat. Chia se bang link co mat khau va thoi han se giam nguy co dang ke.

4. Gui thong tin ca nhan nhay cam

So tai khoan ngan hang, ho so y te, giay to thue -- doi khi phai gui bang cach ky thuat so. Link co mat khau an toan hon nhieu so voi viec go truc tiep vao tin nhan.

3 buoc khoa link

Voi LOCK.PUB, ban co the khoa bat ky URL nao trong 30 giay:

Buoc 1: Dan URL cua ban

Truy cap LOCK.PUB va dan link can bao ve vao o nhap URL.

Vi du: https://docs.google.com/document/d/1a2b3c4d/edit

Buoc 2: Dat mat khau

Chon mot mat khau manh. Day la mat khau nguoi nhan can nhap de truy cap link.

Tot: DuAn-KiemTra-2026!
Khong tot: 1234

Buoc 3: Chia se link da khoa

Ban se nhan duoc mot link ngan nhu lock.pub/abc123. Gui link qua mot kenh va mat khau qua kenh khac de bao mat toi da.

Gui link qua: Zalo
Gui mat khau qua: SMS hoac goi dien

Vay la xong. Link cua ban da duoc bao ve bang mat khau, san sang chia se an toan.

Khoa link vs cac phuong phap bao ve khac

So sanh khoa link voi cac cach bao ve noi dung chia se khac:

Phuong phap	Thoi gian	Trai nghiem nguoi nhan	Ho tro moi URL	Tinh nang het han
Khoa link (LOCK.PUB)	~15 giay	Nhan link, nhap mat khau	Co	Co
ZIP co mat khau	2-5 phut	Can tai ve, giai nen	Khong (chi file)	Khong
Ma hoa email (PGP)	10+ phut	Can cai phan mem	Khong	Khong
Tin nhan Zalo	Ngay lap tuc	Khong bao ve	Khong ap dung	Khong
Quyen Google Docs	1-2 phut	Can tai khoan Google	Khong (chi Google)	Khong

Khoa link vuot troi ve toc do va su don gian. Hoat dong voi bat ky URL nao, nguoi nhan chi can biet mat khau, va co the dat thoi han het han.

Meo tang cuong bao mat

Khoa link la buoc dau tuyet voi. Day la cach lam cho no con an toan hon:

Gui link va mat khau rieng biet

Dung bao gio bo link va mat khau vao cung mot tin nhan. Gui link qua Zalo, mat khau qua SMS hoac goi dien. Nhu vay, du mot kenh bi lo thi thong tin van an toan.

Dat thoi han het han

Cai dat thoi han 1 gio, 24 gio hay 7 ngay. Khi het han, du nhap dung mat khau cung khong truy cap duoc. Dac biet huu ich cho thong tin co thoi han.

Su dung mat khau manh

Tranh mat khau don gian nhu password123. Ket hop chu cai, so va ky tu dac biet. Tot hon la dung cum tu: Ho-Xanh-Chay-Nhanh-42.

Gioi han so lan truy cap

LOCK.PUB cho phep gioi han so lan truy cap link. Chia se 1-1 thi dat 1-2 lan la an toan nhat.

Cau hoi thuong gap

Co the khoa bat ky URL nao khong?

Co. Bat ky URL nao truy cap cong khai duoc deu co the khoa -- Google Docs, file Dropbox, trang Notion, video YouTube khong cong khai, link Zoom va nhieu hon nua.

Nguoi nhan co can tao tai khoan khong?

Khong. Nguoi nhan chi can nhan vao link da khoa, nhap mat khau la xong. Khong can dang ky, khong can tai ung dung.

Truoc khi nhap mat khau co thay duoc URL goc khong?

Khong. URL dich bi an cho den khi nhap dung mat khau. Nguoi truy cap chi thay man hinh nhap mat khau.

Link het han thi sao?

Link se vinh vien khong truy cap duoc. Nguoi truy cap se thay thong bao link da het han. URL goc khong bi anh huong -- chi co link ngan da khoa bi vo hieu hoa.

Bat dau khoa link ngay

Moi ngay, hang trieu link nhay cam duoc chia se ma khong co bat ky bao ve nao -- dan vao tin nhan, chuyen tiep qua email, nam mai trong lich su chat.

Khoa link voi LOCK.PUB chi mat 15 giay. Dat mat khau, them thoi han het han, va chia se an tam.

Khoa link dau tien cua ban ngay ->