It was narrated from Salman Al-Khair that the Messenger of Allah (ﷺ) said: "Whoever guards Ribat (the frontier) for one day and one night, will be given a reward like that for fasting and praying Qiyam for a month, and whoever dies at Ribat (guarding the frontier) will be rewarded, and he will be given provision, and he will be kept safe from Al-Fattan." [1]
[1] According to As-Sindi, the preferred pronunciation is Al-Fattan, plural of Fatan refering to Al-Munkar and An-Nakir, while Al-Fattan would refer to Ash-Shaitan or the like, among the punishment of the grave, or, the angels of chastisement.
It was narrated that Salman said: "I heard the Messenger of Allah (ﷺ) say: 'Whoever guards Ribat (the frontier) in the cause of Allah for one day and one night, he will have (a reward) like that of fasting and praying Qi…
It was narrated from Zurah bin Ma'bad: "Abu Salih, the freed slave of 'Uthman, said: 'I heard 'Uthman bin 'Affan say: I heard the Messenger of Allah (ﷺ) say: Ribat (guarding the frontier) for one day in the cause of Alla…
It was narrated that Abu Salih, the freed slace of 'Uthman, said: "uthman bin 'Affan said: 'I heard the Messenger of Allah (ﷺ) say: A day in the cause of Allah is better than a thousand days doing anything else.'"